feat: Add ruff rules for return (RET) (#3981)

Add ruff rules for return (RET)

src/backend/base/langflow/__main__.py

@@ -235,7 +235,7 @@ def run_on_windows(host, port, log_level, options, app):
     """
     print_banner(host, port)
     run_langflow(host, port, log_level, options, app)
-    return None
+    return
 
 
 def is_port_in_use(port, host="localhost"):
@@ -296,7 +296,6 @@ def generate_pip_command(package_names, is_pre_release):
     base_command = "pip install"
     if is_pre_release:
         return f"{base_command} {' '.join(package_names)} -U --pre"
-    else:
     return f"{base_command} {' '.join(package_names)} -U"
 
 

src/backend/base/langflow/api/health_check_router.py

@@ -60,6 +60,5 @@ async def health_check(
 
     if response.has_error():
         raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=response.model_dump())
-    else:
     response.status = "ok"
     return response

src/backend/base/langflow/api/utils.py

@@ -100,7 +100,7 @@ async def check_langflow_version(component: StoreComponentCreate):
     langflow_version = get_lf_version_from_pypi()
     if langflow_version is None:
         raise HTTPException(status_code=500, detail="Unable to verify the latest version of Langflow")
-    elif langflow_version != component.last_tested_version:
+    if langflow_version != component.last_tested_version:
         warnings.warn(
             f"Your version of Langflow ({component.last_tested_version}) is outdated. "
             f"Please update to the latest version ({langflow_version}) and try again."
@@ -117,11 +117,10 @@ def format_elapsed_time(elapsed_time: float) -> str:
     if elapsed_time < 1:
         milliseconds = int(round(elapsed_time * 1000))
         return f"{milliseconds} ms"
-    elif elapsed_time < 60:
+    if elapsed_time < 60:
         seconds = round(elapsed_time, 2)
         unit = "second" if seconds == 1 else "seconds"
         return f"{seconds} {unit}"
-    else:
     minutes = int(elapsed_time // 60)
     seconds = round(elapsed_time % 60, 2)
     minutes_unit = "minute" if minutes == 1 else "minutes"
@@ -231,12 +230,11 @@ def get_suggestion_message(outdated_components: list[str]) -> str:
     count = len(outdated_components)
     if count == 0:
         return "The flow contains no outdated components."
-    elif count == 1:
+    if count == 1:
         return (
             "The flow contains 1 outdated component. "
             f"We recommend updating the following component: {outdated_components[0]}."
         )
-    else:
     components = ", ".join(outdated_components)
     return (
         f"The flow contains {count} outdated components. "
@@ -248,11 +246,10 @@ def parse_value(value: Any, input_type: str) -> Any:
     """Helper function to parse the value based on input type."""
     if value == "":
         return value
-    elif input_type == "IntInput":
+    if input_type == "IntInput":
         return int(value) if value is not None else None
-    elif input_type == "FloatInput":
+    if input_type == "FloatInput":
         return float(value) if value is not None else None
-    else:
     return value
 
 

src/backend/base/langflow/api/v1/endpoints.py

@@ -71,11 +71,10 @@ async def get_all(
 
     try:
         async with Lock() as lock:
-            all_types_dict = await get_and_cache_all_types_dict(
+            return await get_and_cache_all_types_dict(
                 settings_service=settings_service, cache_service=cache_service, force_refresh=force_refresh, lock=lock
             )
 
-            return all_types_dict
     except Exception as exc:
         logger.exception(exc)
         raise HTTPException(status_code=500, detail=str(exc)) from exc
@@ -163,13 +162,12 @@ async def simple_run_flow_task(
     Run a flow task as a BackgroundTask, therefore it should not throw exceptions.
     """
     try:
-        result = await simple_run_flow(
+        return await simple_run_flow(
             flow=flow,
             input_request=input_request,
             stream=stream,
             api_key_user=api_key_user,
         )
-        return result
 
     except Exception as exc:
         logger.exception(f"Error running flow {flow.id} task: {exc}")
@@ -279,7 +277,6 @@ async def simplified_run_flow(
             raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=str(exc)) from exc
         if "not found" in str(exc):
             raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail=str(exc)) from exc
-        else:
         logger.exception(exc)
         raise APIException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, exception=exc, flow=flow) from exc
     except InvalidChatInputException as exc:
@@ -486,10 +483,9 @@ async def experimental_run_flow(
         if f"Flow {flow_id_str} not found" in str(exc):
             logger.error(f"Flow {flow_id_str} not found")
             raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail=str(exc)) from exc
-        elif f"Session {session_id} not found" in str(exc):
+        if f"Session {session_id} not found" in str(exc):
             logger.error(f"Session {session_id} not found")
             raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail=str(exc)) from exc
-        else:
         logger.exception(exc)
         raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=str(exc)) from exc
     except Exception as exc:

src/backend/base/langflow/api/v1/files.py

@@ -105,7 +105,7 @@ async def download_image(file_name: str, flow_id: UUID, storage_service: Storage
 
         if not content_type:
             raise HTTPException(status_code=500, detail=f"Content type not found for extension {extension}")
-        elif not content_type.startswith("image"):
+        if not content_type.startswith("image"):
             raise HTTPException(status_code=500, detail=f"Content type {content_type} is not an image")
 
         file_content = await storage_service.get_file(flow_id=flow_id_str, file_name=file_name)

src/backend/base/langflow/api/v1/flows.py

@@ -102,7 +102,7 @@ def create_flow(
         # If it is a validation error, return the error message
         if hasattr(e, "errors"):
             raise HTTPException(status_code=400, detail=str(e)) from e
-        elif "UNIQUE constraint failed" in str(e):
+        if "UNIQUE constraint failed" in str(e):
             # Get the name of the column that failed
             columns = str(e).split("UNIQUE constraint failed: ")[1].split(".")[1].split("\n")[0]
             # UNIQUE constraint failed: flow.user_id, flow.name
@@ -113,9 +113,8 @@ def create_flow(
             raise HTTPException(
                 status_code=400, detail=f"{column.capitalize().replace('_', ' ')} must be unique"
             ) from e
-        elif isinstance(e, HTTPException):
+        if isinstance(e, HTTPException):
             raise e
-        else:
         raise HTTPException(status_code=500, detail=str(e)) from e
 
 
@@ -198,7 +197,6 @@ def read_flow(
         )  # noqa
     if user_flow := session.exec(stmt).first():
         return user_flow
-    else:
     raise HTTPException(status_code=404, detail="Flow not found")
 
 
@@ -242,7 +240,7 @@ def update_flow(
         # If it is a validation error, return the error message
         if hasattr(e, "errors"):
             raise HTTPException(status_code=400, detail=str(e)) from e
-        elif "UNIQUE constraint failed" in str(e):
+        if "UNIQUE constraint failed" in str(e):
             # Get the name of the column that failed
             columns = str(e).split("UNIQUE constraint failed: ")[1].split(".")[1].split("\n")[0]
             # UNIQUE constraint failed: flow.user_id, flow.name
@@ -253,9 +251,8 @@ def update_flow(
             raise HTTPException(
                 status_code=400, detail=f"{column.capitalize().replace('_', ' ')} must be unique"
             ) from e
-        elif isinstance(e, HTTPException):
+        if isinstance(e, HTTPException):
             raise e
-        else:
         raise HTTPException(status_code=500, detail=str(e)) from e
 
 
@@ -402,5 +399,4 @@ async def download_multiple_file(
             media_type="application/x-zip-compressed",
             headers={"Content-Disposition": f"attachment; filename={filename}"},
         )
-    else:
     return flows_without_api_keys[0]

src/backend/base/langflow/api/v1/folders.py

@@ -89,8 +89,7 @@ def read_folders(
                 or_(Folder.user_id == current_user.id, Folder.user_id == None)  # type: ignore # noqa: E711
             )
         ).all()
-        sorted_folders = sorted(folders, key=lambda x: x.name != DEFAULT_FOLDER_NAME)
+        return sorted(folders, key=lambda x: x.name != DEFAULT_FOLDER_NAME)
-        return sorted_folders
     except Exception as e:
         raise HTTPException(status_code=500, detail=str(e))
 
@@ -204,8 +203,7 @@ async def download_file(
 ):
     """Download all flows from folder."""
     try:
-        folder = session.exec(select(Folder).where(Folder.id == folder_id, Folder.user_id == current_user.id)).first()
+        return session.exec(select(Folder).where(Folder.id == folder_id, Folder.user_id == current_user.id)).first()
-        return folder
     except Exception as e:
         if "No result found" in str(e):
             raise HTTPException(status_code=404, detail="Folder not found")

src/backend/base/langflow/api/v1/login.py

@@ -71,7 +71,6 @@ async def login_to_get_access_token(
         # Create default folder for user if it doesn't exist
         create_default_folder_if_it_doesnt_exist(db, user.id)
         return tokens
-    else:
     raise HTTPException(
         status_code=status.HTTP_401_UNAUTHORIZED,
         detail="Incorrect username or password",
@@ -156,7 +155,6 @@ async def refresh_token(
             domain=auth_settings.COOKIE_DOMAIN,
         )
         return tokens
-    else:
     raise HTTPException(
         status_code=status.HTTP_401_UNAUTHORIZED,
         detail="Invalid refresh token",

src/backend/base/langflow/api/v1/schemas.py

@@ -287,8 +287,7 @@ class VertexBuildResponse(BaseModel):
     @field_serializer("data")
     def serialize_data(self, data: ResultDataResponse) -> dict:
         data_dict = data.model_dump() if isinstance(data, BaseModel) else data
-        truncated_data = truncate_long_strings(data_dict)
+        return truncate_long_strings(data_dict)
-        return truncated_data
 
 
 class VerticesBuiltResponse(BaseModel):

src/backend/base/langflow/api/v1/starter_projects.py

@@ -17,8 +17,7 @@ def get_starter_projects(
     from langflow.initial_setup.load import get_starter_projects_dump
 
     try:
-        flows = get_starter_projects_dump()
+        return get_starter_projects_dump()
-        return flows
     except Exception as exc:
         logger.error(exc)
         raise HTTPException(status_code=500, detail=str(exc)) from exc

src/backend/base/langflow/api/v1/store.py

@@ -29,8 +29,7 @@ def get_user_store_api_key(
     if not user.store_api_key:
         raise HTTPException(status_code=400, detail="You must have a store API key set.")
     try:
-        decrypted = auth_utils.decrypt_api_key(user.store_api_key, settings_service)
+        return auth_utils.decrypt_api_key(user.store_api_key, settings_service)
-        return decrypted
     except Exception as e:
         raise HTTPException(status_code=500, detail="Failed to decrypt API key. Please set a new one.") from e
 
@@ -42,8 +41,7 @@ def get_optional_user_store_api_key(
     if not user.store_api_key:
         return None
     try:
-        decrypted = auth_utils.decrypt_api_key(user.store_api_key, settings_service)
+        return auth_utils.decrypt_api_key(user.store_api_key, settings_service)
-        return decrypted
     except Exception as e:
         logger.error(f"Failed to decrypt API key: {e}")
         return user.store_api_key
@@ -82,8 +80,7 @@ async def share_component(
 ):
     try:
         await check_langflow_version(component)
-        result = await store_service.upload(store_api_key, component)
+        return await store_service.upload(store_api_key, component)
-        return result
     except Exception as exc:
         raise HTTPException(status_code=400, detail=str(exc))
 
@@ -97,8 +94,7 @@ async def update_shared_component(
 ):
     try:
         await check_langflow_version(component)
-        result = await store_service.update(store_api_key, component_id, component)
+        return await store_service.update(store_api_key, component_id, component)
-        return result
     except Exception as exc:
         raise HTTPException(status_code=400, detail=str(exc))
 

src/backend/base/langflow/api/v1/users.py

@@ -106,7 +106,6 @@ def patch_user(
         if not update_password:
             user_update.password = user_db.password
         return update_user(user_db, user_update, session)
-    else:
     raise HTTPException(status_code=404, detail="User not found")
 
 
@@ -146,7 +145,7 @@ def delete_user(
     """
     if current_user.id == user_id:
         raise HTTPException(status_code=400, detail="You can't delete your own user account")
-    elif not current_user.is_superuser:
+    if not current_user.is_superuser:
         raise HTTPException(status_code=403, detail="Permission denied")
 
     user_db = session.exec(select(User).where(User.id == user_id)).first()

src/backend/base/langflow/base/agents/agent.py

@@ -69,7 +69,7 @@ class LCAgentComponent(Component):
             if method_name not in output_names:
                 msg = f"Output with name '{method_name}' must be defined."
                 raise ValueError(msg)
-            elif not hasattr(self, method_name):
+            if not hasattr(self, method_name):
                 msg = f"Method '{method_name}' must be defined."
                 raise ValueError(msg)
 

src/backend/base/langflow/base/chains/model.py

@@ -14,6 +14,6 @@ class LCChainComponent(Component):
             if method_name not in output_names:
                 msg = f"Output with name '{method_name}' must be defined."
                 raise ValueError(msg)
-            elif not hasattr(self, method_name):
+            if not hasattr(self, method_name):
                 msg = f"Method '{method_name}' must be defined."
                 raise ValueError(msg)

src/backend/base/langflow/base/data/utils.py

@@ -71,9 +71,7 @@ def retrieve_file_paths(
 
     glob = "**/*" if recursive else "*"
     paths = walk_level(path_obj, depth) if depth else path_obj.glob(glob)
-    file_paths = [str(p) for p in paths if p.is_file() and match_types(p) and is_not_hidden(p)]
+    return [str(p) for p in paths if p.is_file() and match_types(p) and is_not_hidden(p)]
-
-    return file_paths
 
 
 def partition_file_to_data(file_path: str, silent_errors: bool) -> Data | None:
@@ -92,8 +90,7 @@ def partition_file_to_data(file_path: str, silent_errors: bool) -> Data | None:
     text = "\n\n".join([str(el) for el in elements])
     metadata = elements.metadata if hasattr(elements, "metadata") else {}
     metadata["file_path"] = file_path
-    record = Data(text=text, data=metadata)
+    return Data(text=text, data=metadata)
-    return record
 
 
 def read_text_file(file_path: str) -> str:
@@ -153,8 +150,7 @@ def parse_text_file_to_data(file_path: str, silent_errors: bool) -> Data | None:
             raise ValueError(msg) from e
         return None
 
-    record = Data(data={"file_path": file_path, "text": text})
+    return Data(data={"file_path": file_path, "text": text})
-    return record
 
 
 # ! Removing unstructured dependency until

src/backend/base/langflow/base/embeddings/model.py

@@ -17,7 +17,7 @@ class LCEmbeddingsModel(Component):
             if method_name not in output_names:
                 msg = f"Output with name '{method_name}' must be defined."
                 raise ValueError(msg)
-            elif not hasattr(self, method_name):
+            if not hasattr(self, method_name):
                 msg = f"Method '{method_name}' must be defined."
                 raise ValueError(msg)
 

src/backend/base/langflow/base/langchain_utilities/model.py

@@ -21,7 +21,7 @@ class LCToolComponent(Component):
             if method_name not in output_names:
                 msg = f"Output with name '{method_name}' must be defined."
                 raise ValueError(msg)
-            elif not hasattr(self, method_name):
+            if not hasattr(self, method_name):
                 msg = f"Method '{method_name}' must be defined."
                 raise ValueError(msg)
 

src/backend/base/langflow/base/memory/model.py

@@ -24,7 +24,7 @@ class LCChatMemoryComponent(Component):
             if method_name not in output_names:
                 msg = f"Output with name '{method_name}' must be defined."
                 raise ValueError(msg)
-            elif not hasattr(self, method_name):
+            if not hasattr(self, method_name):
                 msg = f"Method '{method_name}' must be defined."
                 raise ValueError(msg)
 

src/backend/base/langflow/base/models/model.py

@@ -50,7 +50,7 @@ class LCModelComponent(Component):
             if method_name not in output_names:
                 msg = f"Output with name '{method_name}' must be defined."
                 raise ValueError(msg)
-            elif not hasattr(self, method_name):
+            if not hasattr(self, method_name):
                 msg = f"Method '{method_name}' must be defined."
                 raise ValueError(msg)
 
@@ -181,7 +181,6 @@ class LCModelComponent(Component):
             )
             if stream:
                 return runnable.stream(inputs)  # type: ignore
-            else:
             message = runnable.invoke(inputs)  # type: ignore
             result = message.content if hasattr(message, "content") else message
             if isinstance(message, AIMessage):

src/backend/base/langflow/base/textsplitters/model.py

@@ -16,7 +16,7 @@ class LCTextSplitterComponent(LCDocumentTransformerComponent):
             if method_name not in output_names:
                 msg = f"Output with name '{method_name}' must be defined."
                 raise ValueError(msg)
-            elif not hasattr(self, method_name):
+            if not hasattr(self, method_name):
                 msg = f"Method '{method_name}' must be defined."
                 raise ValueError(msg)
 

src/backend/base/langflow/base/tools/flow_tool.py

@@ -30,9 +30,8 @@ class FlowTool(BaseTool):
         """The tool's input schema."""
         if self.args_schema is not None:
             return self.args_schema
-        elif self.graph is not None:
+        if self.graph is not None:
             return build_schema_from_inputs(self.name, get_flow_inputs(self.graph))
-        else:
         msg = "No input schema available."
         raise ToolException(msg)
 
@@ -88,8 +87,7 @@ class FlowTool(BaseTool):
     def build_tweaks_dict(self, args, kwargs):
         args_names = get_arg_names(self.inputs)
         kwargs = self.validate_inputs(args_names=args_names, args=args, kwargs=kwargs)
-        tweaks = {arg["component_name"]: kwargs[arg["arg_name"]] for arg in args_names}
+        return {arg["component_name"]: kwargs[arg["arg_name"]] for arg in args_names}
-        return tweaks
 
     async def _arun(
         self,

src/backend/base/langflow/base/vectorstores/model.py

@@ -84,7 +84,7 @@ class LCVectorStoreComponent(Component):
             if method_name not in output_names:
                 msg = f"Output with name '{method_name}' must be defined."
                 raise ValueError(msg)
-            elif not hasattr(self, method_name):
+            if not hasattr(self, method_name):
                 msg = f"Method '{method_name}' must be defined."
                 raise ValueError(msg)
 
@@ -139,7 +139,6 @@ class LCVectorStoreComponent(Component):
             if self.status is None:
                 self.status = "Retriever built successfully."
             return retriever
-        else:
         msg = f"Vector Store {vector_store.__class__.__name__} does not have an as_retriever method."
         raise ValueError(msg)
 

src/backend/base/langflow/components/Notion/create_page.py

@@ -45,7 +45,6 @@ class NotionPageCreator(LCToolComponent):
         if isinstance(result, str):
             # An error occurred, return it as text
             return Data(text=result)
-        else:
         # Success, return the created page data
         output = "Created page properties:\n"
         for prop_name, prop_value in result.get("properties", {}).items():
@@ -84,8 +83,7 @@ class NotionPageCreator(LCToolComponent):
         try:
             response = requests.post("https://api.notion.com/v1/pages", headers=headers, json=data)
             response.raise_for_status()
-            result = response.json()
+            return response.json()
-            return result
         except requests.exceptions.RequestException as e:
             error_message = f"Failed to create Notion page. Error: {str(e)}"
             if hasattr(e, "response") and e.response is not None:

src/backend/base/langflow/components/Notion/list_database_properties.py

@@ -36,7 +36,6 @@ class NotionDatabaseProperties(LCToolComponent):
         if isinstance(result, str):
             # An error occurred, return it as text
             return Data(text=result)
-        else:
         # Success, return the properties
         return Data(text=str(result), data=result)
 
@@ -58,8 +57,7 @@ class NotionDatabaseProperties(LCToolComponent):
             response = requests.get(url, headers=headers)
             response.raise_for_status()
             data = response.json()
-            properties = data.get("properties", {})
+            return data.get("properties", {})
-            return properties
         except requests.exceptions.RequestException as e:
             return f"Error fetching Notion database properties: {str(e)}"
         except ValueError as e:

src/backend/base/langflow/components/Notion/page_content_viewer.py

@@ -36,7 +36,6 @@ class NotionPageContent(LCToolComponent):
         if isinstance(result, str) and result.startswith("Error:"):
             # An error occurred, return it as text
             return Data(text=result)
-        else:
         # Success, return the content
         return Data(text=result, data={"content": result})
 

src/backend/base/langflow/components/Notion/update_page_property.py

@@ -48,7 +48,6 @@ class NotionPageUpdate(LCToolComponent):
         if isinstance(result, str):
             # An error occurred, return it as text
             return Data(text=result)
-        else:
         # Success, return the updated page data
         output = "Updated page properties:\n"
         for prop_name, prop_value in result.get("properties", {}).items():

src/backend/base/langflow/components/agents/HierarchicalCrew.py

@@ -21,7 +21,7 @@ class HierarchicalCrewComponent(BaseCrewComponent):
 
     def build_crew(self) -> Crew:
         tasks, agents = self.get_tasks_and_agents()
-        crew = Crew(
+        return Crew(
             agents=agents,
             tasks=tasks,
             process=Process.hierarchical,
@@ -36,4 +36,3 @@ class HierarchicalCrewComponent(BaseCrewComponent):
             step_callback=self.get_step_callback(),
             task_callback=self.get_task_callback(),
         )
-        return crew

src/backend/base/langflow/components/agents/SequentialCrew.py

@@ -20,7 +20,7 @@ class SequentialCrewComponent(BaseCrewComponent):
 
     def build_crew(self) -> Message:
         tasks, agents = self.get_tasks_and_agents()
-        crew = Crew(
+        return Crew(
             agents=agents,
             tasks=tasks,
             process=Process.sequential,
@@ -33,4 +33,3 @@ class SequentialCrewComponent(BaseCrewComponent):
             step_callback=self.get_step_callback(),
             task_callback=self.get_task_callback(),
         )
-        return crew

src/backend/base/langflow/components/astra_assistants/create_assistant.py

@@ -53,5 +53,4 @@ class AssistantsCreateAssistant(Component):
             instructions=self.instructions,
             model=self.model,
         )
-        message = Message(text=assistant.id)
+        return Message(text=assistant.id)
-        return message

src/backend/base/langflow/components/astra_assistants/create_thread.py

@@ -28,5 +28,4 @@ class AssistantsCreateThread(Component):
         thread = self.client.beta.threads.create()
         thread_id = thread.id
 
-        message = Message(text=thread_id)
+        return Message(text=thread_id)
-        return message

src/backend/base/langflow/components/astra_assistants/get_assistant.py

@@ -33,5 +33,4 @@ class AssistantsGetAssistantName(Component):
         assistant = self.client.beta.assistants.retrieve(
             assistant_id=self.assistant_id,
         )
-        message = Message(text=assistant.name)
+        return Message(text=assistant.name)
-        return message

src/backend/base/langflow/components/astra_assistants/getenvvar.py

@@ -27,6 +27,4 @@ class GetEnvVar(Component):
         if self.env_var_name not in os.environ:
             msg = f"Environment variable {self.env_var_name} not set"
             raise Exception(msg)
-        else:
+        return Message(text=os.environ[self.env_var_name])
-            message = Message(text=os.environ[self.env_var_name])
-            return message

src/backend/base/langflow/components/astra_assistants/list_assistants.py

@@ -18,8 +18,7 @@ class AssistantsListAssistants(Component):
     def process_inputs(self) -> Message:
         assistants = self.client.beta.assistants.list().data
         id_list = [assistant.id for assistant in assistants]
-        message = Message(
+        return Message(
             # get text from list
             text="\n".join(id_list)
         )
-        return message

src/backend/base/langflow/components/astra_assistants/run.py

@@ -88,8 +88,7 @@ class AssistantsRun(Component):
                 for part in stream.text_deltas:
                     text += part
                     print(part)
-            message = Message(text=text)
+            return Message(text=text)
-            return message
         except Exception as e:
             print(e)
             msg = f"Error running assistant: {e}"

src/backend/base/langflow/components/data/Gmail.py

@@ -84,9 +84,7 @@ class GmailLoaderComponent(Component):
                 message = re.sub(r"\s{2,}", " ", message)
 
                 # Trim leading and trailing whitespace
-                message = message.strip()
+                return message.strip()
-
-                return message
 
             def _extract_email_content(self, msg: Any) -> HumanMessage:
                 from_email = None
@@ -109,11 +107,10 @@ class GmailLoaderComponent(Component):
                         data = base64.urlsafe_b64decode(data).decode("utf-8")
                         pattern = re.compile(r"\r\nOn .+(\r\n)*wrote:\r\n")
                         newest_response = re.split(pattern, data)[0]
-                        message = HumanMessage(
+                        return HumanMessage(
                             content=self.clean_message_content(newest_response),
                             additional_kwargs={"sender": from_email},
                         )
-                        return message
                 msg = "No plain text part found in the email."
                 raise ValueError(msg)
 
@@ -147,7 +144,6 @@ class GmailLoaderComponent(Component):
                         raise ValueError(msg)
                     starter_content = self._extract_email_content(response_email)
                     return ChatSession(messages=[starter_content, message_content])
-                else:
                 return ChatSession(messages=[message_content])
 
             def lazy_load(self) -> Iterator[ChatSession]:

src/backend/base/langflow/components/data/GoogleDrive.py

@@ -43,7 +43,6 @@ class GoogleDriveComponent(Component):
                 """Load credentials from the provided creds attribute or fallback to the original method."""
                 if self.creds:
                     return self.creds
-                else:
                 msg = "No credentials provided."
                 raise ValueError(msg)
 

src/backend/base/langflow/components/data/GoogleDriveSearch.py

@@ -98,15 +98,14 @@ class GoogleDriveSearchComponent(Component):
         """
         if mime_type == "application/vnd.google-apps.document":
             return f"https://docs.google.com/document/d/{file_id}/edit"
-        elif mime_type == "application/vnd.google-apps.spreadsheet":
+        if mime_type == "application/vnd.google-apps.spreadsheet":
             return f"https://docs.google.com/spreadsheets/d/{file_id}/edit"
-        elif mime_type == "application/vnd.google-apps.presentation":
+        if mime_type == "application/vnd.google-apps.presentation":
             return f"https://docs.google.com/presentation/d/{file_id}/edit"
-        elif mime_type == "application/vnd.google-apps.drawing":
+        if mime_type == "application/vnd.google-apps.drawing":
             return f"https://docs.google.com/drawings/d/{file_id}/edit"
-        elif mime_type == "application/pdf":
+        if mime_type == "application/pdf":
             return f"https://drive.google.com/file/d/{file_id}/view?usp=drivesdk"
-        else:
         return f"https://drive.google.com/file/d/{file_id}/view?usp=drivesdk"
 
     def search_files(self) -> dict:

src/backend/base/langflow/components/deactivated/SelectivePassThrough.py

@@ -51,13 +51,13 @@ class SelectivePassThroughComponent(Component):
 
         if operator == "equals":
             return input_value == comparison_value
-        elif operator == "not equals":
+        if operator == "not equals":
             return input_value != comparison_value
-        elif operator == "contains":
+        if operator == "contains":
             return comparison_value in input_value
-        elif operator == "starts with":
+        if operator == "starts with":
             return input_value.startswith(comparison_value)
-        elif operator == "ends with":
+        if operator == "ends with":
             return input_value.endswith(comparison_value)
         return False
 
@@ -71,6 +71,5 @@ class SelectivePassThroughComponent(Component):
         if self.evaluate_condition(input_value, comparison_value, operator, case_sensitive):
             self.status = value_to_pass
             return value_to_pass
-        else:
         self.status = ""
         return ""

src/backend/base/langflow/components/documentloaders/AssemblyAIGetSubtitles.py

@@ -75,6 +75,5 @@ class AssemblyAIGetSubtitles(Component):
 
             self.status = result
             return result
-        else:
         self.status = transcript.error
         return Data(data={"error": transcript.error})

src/backend/base/langflow/components/documentloaders/AssemblyAILeMUR.py

@@ -90,14 +90,14 @@ class AssemblyAILeMUR(Component):
             error = "Either a Transcription Result or Transcript IDs must be provided"
             self.status = error
             return Data(data={"error": error})
-        elif self.transcription_result and self.transcription_result.data.get("error"):
+        if self.transcription_result and self.transcription_result.data.get("error"):
             # error message from the previous step
             self.status = self.transcription_result.data["error"]
             return self.transcription_result
-        elif self.endpoint == "task" and not self.prompt:
+        if self.endpoint == "task" and not self.prompt:
             self.status = "No prompt specified for the task endpoint"
             return Data(data={"error": "No prompt specified"})
-        elif self.endpoint == "question-answer" and not self.questions:
+        if self.endpoint == "question-answer" and not self.questions:
             error = "No Questions were provided for the question-answer endpoint"
             self.status = error
             return Data(data={"error": error})
@@ -172,12 +172,11 @@ class AssemblyAILeMUR(Component):
     def get_final_model(self, model_name: str) -> aai.LemurModel:
         if model_name == "claude3_5_sonnet":
             return aai.LemurModel.claude3_5_sonnet
-        elif model_name == "claude3_opus":
+        if model_name == "claude3_opus":
             return aai.LemurModel.claude3_opus
-        elif model_name == "claude3_haiku":
+        if model_name == "claude3_haiku":
             return aai.LemurModel.claude3_haiku
-        elif model_name == "claude3_sonnet":
+        if model_name == "claude3_sonnet":
             return aai.LemurModel.claude3_sonnet
-        else:
         msg = f"Model name not supported: {model_name}"
         raise ValueError(msg)

src/backend/base/langflow/components/documentloaders/AssemblyAIPollTranscript.py

@@ -62,6 +62,5 @@ class AssemblyAITranscriptionJobPoller(Component):
             data = Data(data=sorted_data)
             self.status = data
             return data
-        else:
         self.status = transcript.error
         return Data(data={"error": transcript.error})

src/backend/base/langflow/components/documentloaders/AssemblyAIStartTranscript.py

@@ -177,7 +177,6 @@ class AssemblyAITranscriptionJobCreator(Component):
             if transcript.error:
                 self.status = transcript.error
                 return Data(data={"error": transcript.error})
-            else:
             result = Data(data={"transcript_id": transcript.id})
             self.status = result
             return result

src/backend/base/langflow/components/documentloaders/Confluence.py

@@ -66,7 +66,7 @@ class ConfluenceComponent(Component):
 
     def build_confluence(self) -> ConfluenceLoader:
         content_format = ContentFormat(self.content_format)
-        loader = ConfluenceLoader(
+        return ConfluenceLoader(
             url=self.url,
             username=self.username,
             api_key=self.api_key,
@@ -75,7 +75,6 @@ class ConfluenceComponent(Component):
             content_format=content_format,
             max_pages=self.max_pages,
         )
-        return loader
 
     def load_documents(self) -> list[Data]:
         confluence = self.build_confluence()

src/backend/base/langflow/components/documentloaders/GitLoader.py

@@ -100,13 +100,12 @@ class GitLoaderComponent(Component):
                 return False
             return all(f(path) for f in file_filters)
 
-        loader = GitLoader(
+        return GitLoader(
             repo_path=self.repo_path,
             clone_url=self.clone_url,
             branch=self.branch,
             file_filter=combined_filter,
         )
-        return loader
 
     def load_documents(self) -> list[Data]:
         gitloader = self.build_gitloader()

src/backend/base/langflow/components/documentloaders/Unstructured.py

@@ -37,14 +37,12 @@ class UnstructuredComponent(Component):
     def build_unstructured(self) -> UnstructuredLoader:
         file_paths = [self.file]
 
-        loader = UnstructuredLoader(
+        return UnstructuredLoader(
             file_paths,
             api_key=self.api_key,
             partition_via_api=True,
         )
 
-        return loader
-
     def load_documents(self) -> list[Data]:
         unstructured = self.build_unstructured()
 

src/backend/base/langflow/components/embeddings/AmazonBedrockEmbeddings.py

@@ -59,11 +59,10 @@ class AmazonBedrockEmbeddingsComponent(LCModelComponent):
             client_params["region_name"] = self.region_name
 
         boto3_client = session.client("bedrock-runtime", **client_params)
-        output = BedrockEmbeddings(
+        return BedrockEmbeddings(
             credentials_profile_name=self.credentials_profile_name,
             client=boto3_client,
             model_id=self.model_id,
             endpoint_url=self.endpoint_url,
             region_name=self.region_name,
         )  # type: ignore
-        return output

src/backend/base/langflow/components/embeddings/HuggingFaceInferenceAPIEmbeddings.py

@@ -71,7 +71,6 @@ class HuggingFaceInferenceAPIEmbeddingsComponent(LCEmbeddingsModel):
     def get_api_url(self) -> str:
         if "huggingface" in self.inference_endpoint.lower():
             return f"{self.inference_endpoint}{self.model_name}"
-        else:
         return self.inference_endpoint
 
     @retry(stop=stop_after_attempt(3), wait=wait_fixed(2))

src/backend/base/langflow/components/embeddings/util/AIMLEmbeddingsImpl.py

@@ -54,8 +54,7 @@ class AIMLEmbeddingsImpl(BaseModel, Embeddings):
             json=payload,
         )
         response.raise_for_status()
-        result_data = response.json()
+        return response.json()
-        return result_data
 
     def embed_query(self, text: str) -> list[float]:
         return self.embed_documents([text])[0]

src/backend/base/langflow/components/helpers/ParseJSONData.py

@@ -71,5 +71,4 @@ class ParseJSONDataComponent(Component):
 
         results = jq.compile(self.query).input_text(full_filter_str).all()
         print("results: ", results)
-        docs = [Data(data=value) if isinstance(value, dict) else Data(text=str(value)) for value in results]
+        return [Data(data=value) if isinstance(value, dict) else Data(text=str(value)) for value in results]
-        return docs

src/backend/base/langflow/components/inputs/TextInput.py

@@ -21,7 +21,6 @@ class TextInputComponent(TextComponent):
     ]
 
     def text_response(self) -> Message:
-        message = Message(
+        return Message(
             text=self.input_value,
         )
-        return message

src/backend/base/langflow/components/langchain_utilities/FirecrawlCrawlApi.py

@@ -86,5 +86,4 @@ class FirecrawlCrawlApi(CustomComponent):
             idempotency_key,
         )
 
-        records = Data(data={"results": crawl_result})
+        return Data(data={"results": crawl_result})
-        return records

src/backend/base/langflow/components/langchain_utilities/FirecrawlScrapeApi.py

@@ -74,5 +74,4 @@ class FirecrawlScrapeApi(CustomComponent):
             },
         )
 
-        record = Data(data=results)
+        return Data(data=results)
-        return record

src/backend/base/langflow/components/memories/AstraDBChatMemory.py

@@ -59,7 +59,7 @@ class AstraDBChatMemory(LCChatMemoryComponent):
             )
             raise ImportError(msg)
 
-        memory = AstraDBChatMessageHistory(
+        return AstraDBChatMessageHistory(
             session_id=self.session_id,
             collection_name=self.collection_name,
             token=self.token,
@@ -67,4 +67,3 @@ class AstraDBChatMemory(LCChatMemoryComponent):
             namespace=self.namespace or None,
             environment=parse_api_endpoint(self.api_endpoint).environment,
         )
-        return memory

src/backend/base/langflow/components/models/AIMLModel.py

@@ -84,7 +84,7 @@ class AIMLModelComponent(LCModelComponent):
         else:
             openai_api_key = aiml_api_key
 
-        model = ChatOpenAI(
+        return ChatOpenAI(
             model=model_name,
             temperature=temperature,
             api_key=openai_api_key,
@@ -94,8 +94,6 @@ class AIMLModelComponent(LCModelComponent):
             **model_kwargs,
         )
 
-        return model  # type: ignore
-
     def _get_exception_message(self, e: Exception):
         """
         Get a message from an OpenAI exception.

src/backend/base/langflow/components/models/CohereModel.py

@@ -41,9 +41,7 @@ class CohereComponent(LCModelComponent):
         else:
             api_key = None
 
-        output = ChatCohere(
+        return ChatCohere(
             temperature=temperature or 0.75,
             cohere_api_key=api_key,
         )
-
-        return output  # type: ignore

src/backend/base/langflow/components/models/GoogleGenerativeAIModel.py

@@ -74,7 +74,7 @@ class GoogleGenerativeAIComponent(LCModelComponent):
         top_p = self.top_p
         n = self.n
 
-        output = ChatGoogleGenerativeAI(  # type: ignore
+        return ChatGoogleGenerativeAI(  # type: ignore
             model=model,
             max_output_tokens=max_output_tokens or None,
             temperature=temperature,
@@ -83,5 +83,3 @@ class GoogleGenerativeAIComponent(LCModelComponent):
             n=n or 1,
             google_api_key=SecretStr(google_api_key),
         )
-
-        return output  # type: ignore

src/backend/base/langflow/components/models/GroqModel.py

@@ -93,7 +93,7 @@ class GroqModel(LCModelComponent):
         n = self.n
         stream = self.stream
 
-        output = ChatGroq(  # type: ignore
+        return ChatGroq(  # type: ignore
             model=model_name,
             max_tokens=max_tokens or None,
             temperature=temperature,
@@ -102,5 +102,3 @@ class GroqModel(LCModelComponent):
             api_key=SecretStr(groq_api_key),
             streaming=stream,
         )
-
-        return output  # type: ignore

src/backend/base/langflow/components/models/HuggingFaceModel.py

@@ -51,7 +51,6 @@ class HuggingFaceEndpointsComponent(LCModelComponent):
     def get_api_url(self) -> str:
         if "huggingface" in self.inference_endpoint.lower():
             return f"{self.inference_endpoint}{self.model_id}"
-        else:
         return self.inference_endpoint
 
     def create_huggingface_endpoint(

src/backend/base/langflow/components/models/Maritalk.py

@@ -51,10 +51,9 @@ class MaritalkModelComponent(LCModelComponent):
         model_name: str = self.model_name
         max_tokens = self.max_tokens
 
-        output = ChatMaritalk(
+        return ChatMaritalk(
             max_tokens=max_tokens,
             model=model_name,
             api_key=api_key,
             temperature=temperature or 0.1,
         )
-        return output  # type: ignore

src/backend/base/langflow/components/models/MistralModel.py

@@ -83,7 +83,7 @@ class MistralAIModelComponent(LCModelComponent):
         else:
             api_key = None
 
-        output = ChatMistralAI(
+        return ChatMistralAI(
             max_tokens=max_tokens or None,
             model_name=model_name,
             endpoint=mistral_api_base,
@@ -96,5 +96,3 @@ class MistralAIModelComponent(LCModelComponent):
             random_seed=random_seed,
             safe_mode=safe_mode,
         )
-
-        return output  # type: ignore

src/backend/base/langflow/components/models/NvidiaModel.py

@@ -80,7 +80,7 @@ class NVIDIAModelComponent(LCModelComponent):
         model_name: str = self.model_name
         max_tokens = self.max_tokens
         seed = self.seed
-        output = ChatNVIDIA(
+        return ChatNVIDIA(
             max_tokens=max_tokens or None,
             model=model_name,
             base_url=self.base_url,
@@ -88,4 +88,3 @@ class NVIDIAModelComponent(LCModelComponent):
             temperature=temperature or 0.1,
             seed=seed,
         )
-        return output  # type: ignore

src/backend/base/langflow/components/models/OllamaModel.py

@@ -64,8 +64,7 @@ class ChatOllamaComponent(LCModelComponent):
                 response.raise_for_status()
                 data = response.json()
 
-                model_names = [model["name"] for model in data.get("models", [])]
+                return [model["name"] for model in data.get("models", [])]
-                return model_names
         except Exception as e:
             msg = "Could not retrieve models. Please, make sure Ollama is running."
             raise ValueError(msg) from e

src/backend/base/langflow/components/models/OpenAIModel.py

@@ -137,9 +137,9 @@ class OpenAIModelComponent(LCModelComponent):
         try:
             from openai import BadRequestError
         except ImportError:
-            return
+            return None
         if isinstance(e, BadRequestError):
             message = e.body.get("message")  # type: ignore
             if message:
                 return message
-        return
+        return None

src/backend/base/langflow/components/models/PerplexityModel.py

@@ -79,7 +79,7 @@ class PerplexityComponent(LCModelComponent):
         top_p = self.top_p
         n = self.n
 
-        output = ChatPerplexity(
+        return ChatPerplexity(
             model=model,
             temperature=temperature or 0.75,
             pplx_api_key=api_key,
@@ -88,5 +88,3 @@ class PerplexityComponent(LCModelComponent):
             n=n or 1,
             max_output_tokens=max_output_tokens,
         )
-
-        return output  # type: ignore

src/backend/base/langflow/components/prompts/LangChainHubPrompt.py

@@ -114,6 +114,4 @@ class LangChainHubPromptComponent(Component):
             raise ValueError(msg)
 
         # Pull the prompt from LangChain Hub
-        prompt_data = langchain.hub.pull(self.langchain_hub_prompt, api_key=self.langchain_api_key)
+        return langchain.hub.pull(self.langchain_hub_prompt, api_key=self.langchain_api_key)
-
-        return prompt_data

src/backend/base/langflow/components/prototypes/ConditionalRouter.py

@@ -54,13 +54,13 @@ class ConditionalRouterComponent(Component):
 
         if operator == "equals":
             return input_text == match_text
-        elif operator == "not equals":
+        if operator == "not equals":
             return input_text != match_text
-        elif operator == "contains":
+        if operator == "contains":
             return match_text in input_text
-        elif operator == "starts with":
+        if operator == "starts with":
             return input_text.startswith(match_text)
-        elif operator == "ends with":
+        if operator == "ends with":
             return input_text.endswith(match_text)
         return False
 
@@ -69,7 +69,6 @@ class ConditionalRouterComponent(Component):
         if result:
             self.status = self.message
             return self.message
-        else:
         self.stop("true_result")
         return None  # type: ignore
 
@@ -78,6 +77,5 @@ class ConditionalRouterComponent(Component):
         if not result:
             self.status = self.message
             return self.message
-        else:
         self.stop("false_result")
         return None  # type: ignore

src/backend/base/langflow/components/prototypes/PythonFunction.py

@@ -43,8 +43,7 @@ class PythonFunctionComponent(Component):
     def get_function_callable(self) -> Callable:
         function_code = self.function_code
         self.status = function_code
-        func = get_function(function_code)
+        return get_function(function_code)
-        return func
 
     def execute_function(self) -> list[dotdict | str] | dotdict | str:
         function_code = self.function_code
@@ -61,13 +60,11 @@ class PythonFunctionComponent(Component):
     def execute_function_data(self) -> list[Data]:
         results = self.execute_function()
         results = results if isinstance(results, list) else [results]
-        data = [(Data(text=x) if isinstance(x, str) else Data(**x)) for x in results]
+        return [(Data(text=x) if isinstance(x, str) else Data(**x)) for x in results]
-        return data
 
     def execute_function_message(self) -> Message:
         results = self.execute_function()
         results = results if isinstance(results, list) else [results]
         results_list = [str(x) for x in results]
         results_str = "\n".join(results_list)
-        data = Message(text=results_str)
+        return Message(text=results_str)
-        return data

src/backend/base/langflow/components/prototypes/RunnableExecutor.py

@@ -123,7 +123,6 @@ class RunnableExecComponent(Component):
 
         if self.use_stream:
             return self.astream_events(input_dict)
-        else:
         result = await self.runnable.ainvoke(input_dict)
         result_value, _status = self.get_output(result, self.input_key, self.output_key)
         status += _status

src/backend/base/langflow/components/retrievers/MultiQueryRetriever.py

@@ -45,8 +45,5 @@ class MultiQueryRetrieverComponent(CustomComponent):
     ) -> MultiQueryRetriever:
         if not prompt:
             return MultiQueryRetriever.from_llm(llm=llm, retriever=retriever, parser_key=parser_key)
-        else:
         prompt_template = PromptTemplate.from_template(prompt)
-            return MultiQueryRetriever.from_llm(
+        return MultiQueryRetriever.from_llm(llm=llm, retriever=retriever, prompt=prompt_template, parser_key=parser_key)
-                llm=llm, retriever=retriever, prompt=prompt_template, parser_key=parser_key
-            )

src/backend/base/langflow/components/toolkits/ComposioAPI.py

@@ -84,7 +84,6 @@ class ComposioAPIComponent(LCToolComponent):
             auth_schemes = toolset.client.apps.get(app).auth_schemes
             if auth_schemes[0].auth_mode == "API_KEY":
                 return self._process_api_key_auth(entity, app)
-            else:
             return self._initiate_default_connection(entity, app)
         except Exception as exc:
             logger.error(f"Authorization error: {str(exc)}")
@@ -108,7 +107,6 @@ class ComposioAPIComponent(LCToolComponent):
 
         if is_different_app or is_url or is_default_api_key_message:
             return "Enter API Key"
-        else:
         if not is_default_api_key_message:
             entity.initiate_connection(
                 app_name=app,
@@ -118,7 +116,6 @@ class ComposioAPIComponent(LCToolComponent):
                 force_new_integration=True,
             )
             return f"{app} CONNECTED"
-            else:
         return "Enter API Key"
 
     def _initiate_default_connection(self, entity: Any, app: str) -> str:
@@ -169,8 +166,7 @@ class ComposioAPIComponent(LCToolComponent):
 
     def build_tool(self) -> Sequence[Tool]:
         composio_toolset = self._build_wrapper()
-        composio_tools = composio_toolset.get_tools(actions=self.action_names)
+        return composio_toolset.get_tools(actions=self.action_names)
-        return composio_tools
 
     def _build_wrapper(self) -> ComposioToolSet:
         return ComposioToolSet(api_key=self.api_key)

src/backend/base/langflow/components/tools/Calculator.py

@@ -52,11 +52,10 @@ class CalculatorToolComponent(LCToolComponent):
             def eval_expr(node):
                 if isinstance(node, ast.Num):
                     return node.n
-                elif isinstance(node, ast.BinOp):
+                if isinstance(node, ast.BinOp):
                     return operators[type(node.op)](eval_expr(node.left), eval_expr(node.right))
-                elif isinstance(node, ast.UnaryOp):
+                if isinstance(node, ast.UnaryOp):
                     return operators[type(node.op)](eval_expr(node.operand))
-                else:
                 raise TypeError(node)
 
             # Parse the expression and evaluate it

src/backend/base/langflow/components/tools/PythonCodeStructuredTool.py

@@ -200,14 +200,13 @@ class PythonCodeStructuredTool(LCToolComponent):
         if schema_fields:
             PythonCodeToolSchema = create_model("PythonCodeToolSchema", **schema_fields)  # type: ignore
 
-        tool = StructuredTool.from_function(
+        return StructuredTool.from_function(
             func=_local[self.tool_function].run,
             args_schema=PythonCodeToolSchema,
             name=self.tool_name,
             description=self.tool_description,
             return_direct=self.return_direct,
         )
-        return tool  # type: ignore
 
     def post_code_processing(self, new_frontend_node: dict, current_frontend_node: dict):
         """

src/backend/base/langflow/components/tools/SearXNGTool.py

@@ -132,11 +132,10 @@ class SearXNGToolComponent(LCToolComponent):
 
         SearxSearchSchema = create_model("SearxSearchSchema", **schema_fields)  # type: ignore
 
-        tool = StructuredTool.from_function(
+        return StructuredTool.from_function(
             func=_local["SearxSearch"].search,
             args_schema=SearxSearchSchema,
             name="searxng_search_tool",
             description="A tool that searches for tools using SearXNG.\nThe available categories are: "
             + ", ".join(self.categories),
         )
-        return tool

src/backend/base/langflow/components/vectorstores/AstraDB.py

@@ -454,9 +454,8 @@ class AstraVectorStoreComponent(LCVectorStoreComponent):
     def _map_search_type(self):
         if self.search_type == "Similarity with score threshold":
             return "similarity_score_threshold"
-        elif self.search_type == "MMR (Max Marginal Relevance)":
+        if self.search_type == "MMR (Max Marginal Relevance)":
             return "mmr"
-        else:
         return "similarity"
 
     def _build_search_args(self):
@@ -495,7 +494,6 @@ class AstraVectorStoreComponent(LCVectorStoreComponent):
             logger.debug(f"Converted documents to data: {len(data)}")
             self.status = data
             return data
-        else:
         logger.debug("No search input provided. Skipping search.")
         return []
 

src/backend/base/langflow/components/vectorstores/Cassandra.py

@@ -212,9 +212,8 @@ class CassandraVectorStoreComponent(LCVectorStoreComponent):
     def _map_search_type(self):
         if self.search_type == "Similarity with score threshold":
             return "similarity_score_threshold"
-        elif self.search_type == "MMR (Max Marginal Relevance)":
+        if self.search_type == "MMR (Max Marginal Relevance)":
             return "mmr"
-        else:
         return "similarity"
 
     def search_documents(self) -> list[Data]:
@@ -239,7 +238,6 @@ class CassandraVectorStoreComponent(LCVectorStoreComponent):
                         "Your collection does not contain a field name 'content'."
                     )
                     raise ValueError(msg)
-                else:
                 raise e
 
             logger.debug(f"Retrieved documents: {len(docs)}")
@@ -247,7 +245,6 @@ class CassandraVectorStoreComponent(LCVectorStoreComponent):
             data = docs_to_data(docs)
             self.status = data
             return data
-        else:
         return []
 
     def _build_search_args(self):

src/backend/base/langflow/components/vectorstores/CassandraGraph.py

@@ -187,13 +187,12 @@ class CassandraGraphVectorStoreComponent(LCVectorStoreComponent):
     def _map_search_type(self):
         if self.search_type == "Similarity":
             return "similarity"
-        elif self.search_type == "Similarity with score threshold":
+        if self.search_type == "Similarity with score threshold":
             return "similarity_score_threshold"
-        elif self.search_type == "MMR (Max Marginal Relevance)":
+        if self.search_type == "MMR (Max Marginal Relevance)":
             return "mmr"
-        elif self.search_type == "MMR Traversal":
+        if self.search_type == "MMR Traversal":
             return "mmr_traversal"
-        else:
         return "traversal"
 
     def search_documents(self) -> list[Data]:
@@ -218,7 +217,6 @@ class CassandraGraphVectorStoreComponent(LCVectorStoreComponent):
                         "Your collection does not contain a field name 'content'."
                     )
                     raise ValueError(msg) from e
-                else:
                 raise e
 
             logger.debug(f"Retrieved documents: {len(docs)}")
@@ -226,7 +224,6 @@ class CassandraGraphVectorStoreComponent(LCVectorStoreComponent):
             data = docs_to_data(docs)
             self.status = data
             return data
-        else:
         return []
 
     def _build_search_args(self):

src/backend/base/langflow/components/vectorstores/Clickhouse.py

@@ -131,5 +131,4 @@ class ClickhouseVectorStoreComponent(LCVectorStoreComponent):
             data = docs_to_data(docs)
             self.status = data
             return data
-        else:
         return []

src/backend/base/langflow/components/vectorstores/Couchbase.py

@@ -103,5 +103,4 @@ class CouchbaseVectorStoreComponent(LCVectorStoreComponent):
             data = docs_to_data(docs)
             self.status = data
             return data
-        else:
         return []

src/backend/base/langflow/components/vectorstores/FAISS.py

@@ -114,6 +114,5 @@ class FaissVectorStoreComponent(LCVectorStoreComponent):
             logger.debug(f"Converted documents to data: {len(data)}")
             logger.debug(data)
             return data  # Return the search results data
-        else:
         logger.debug("No search input provided. Skipping search.")
         return []

src/backend/base/langflow/components/vectorstores/HCD.py

@@ -275,9 +275,8 @@ class HCDVectorStoreComponent(LCVectorStoreComponent):
     def _map_search_type(self):
         if self.search_type == "Similarity with score threshold":
             return "similarity_score_threshold"
-        elif self.search_type == "MMR (Max Marginal Relevance)":
+        if self.search_type == "MMR (Max Marginal Relevance)":
             return "mmr"
-        else:
         return "similarity"
 
     def _build_search_args(self):
@@ -315,7 +314,6 @@ class HCDVectorStoreComponent(LCVectorStoreComponent):
             logger.debug(f"Converted documents to data: {len(data)}")
             self.status = data
             return data
-        else:
         logger.debug("No search input provided. Skipping search.")
         return []
 

src/backend/base/langflow/components/vectorstores/Milvus.py

@@ -119,5 +119,4 @@ class MilvusVectorStoreComponent(LCVectorStoreComponent):
             data = docs_to_data(docs)
             self.status = data
             return data
-        else:
         return []

src/backend/base/langflow/components/vectorstores/MongoDBAtlasVector.py

@@ -93,5 +93,4 @@ class MongoVectorStoreComponent(LCVectorStoreComponent):
             data = docs_to_data(docs)
             self.status = data
             return data
-        else:
         return []

src/backend/base/langflow/components/vectorstores/Pinecone.py

@@ -95,5 +95,4 @@ class PineconeVectorStoreComponent(LCVectorStoreComponent):
             data = docs_to_data(docs)
             self.status = data
             return data
-        else:
         return []

src/backend/base/langflow/components/vectorstores/Qdrant.py

@@ -110,5 +110,4 @@ class QdrantVectorStoreComponent(LCVectorStoreComponent):
             data = docs_to_data(docs)
             self.status = data
             return data
-        else:
         return []

src/backend/base/langflow/components/vectorstores/Redis.py

@@ -90,5 +90,4 @@ class RedisVectorStoreComponent(LCVectorStoreComponent):
             data = docs_to_data(docs)
             self.status = data
             return data
-        else:
         return []

src/backend/base/langflow/components/vectorstores/SupabaseVectorStore.py

@@ -76,5 +76,4 @@ class SupabaseVectorStoreComponent(LCVectorStoreComponent):
             data = docs_to_data(docs)
             self.status = data
             return data
-        else:
         return []

src/backend/base/langflow/components/vectorstores/Upstash.py

@@ -125,5 +125,4 @@ class UpstashVectorStoreComponent(LCVectorStoreComponent):
             data = docs_to_data(docs)
             self.status = data
             return data
-        else:
         return []

src/backend/base/langflow/components/vectorstores/Vectara.py

@@ -106,6 +106,5 @@ class VectaraVectorStoreComponent(LCVectorStoreComponent):
             data = docs_to_data(docs)
             self.status = f"Found {len(data)} results for the query: {self.search_query}"
             return data
-        else:
         self.status = "No search query provided"
         return []

src/backend/base/langflow/components/vectorstores/Weaviate.py

@@ -89,5 +89,4 @@ class WeaviateVectorStoreComponent(LCVectorStoreComponent):
             data = docs_to_data(docs)
             self.status = data
             return data
-        else:
         return []

src/backend/base/langflow/components/vectorstores/pgvector.py

@@ -73,5 +73,4 @@ class PGVectorStoreComponent(LCVectorStoreComponent):
             data = docs_to_data(docs)
             self.status = data
             return data
-        else:
         return []

src/backend/base/langflow/custom/attributes.py

@@ -10,7 +10,7 @@ def validate_icon(value: str, *args, **kwargs):
 
     if not value.startswith(":") and not value.endswith(":"):
         return value
-    elif not value.startswith(":") or not value.endswith(":"):
+    if not value.startswith(":") or not value.endswith(":"):
         # emoji should have both starting and ending colons
         # so if one of them is missing, we will raise
         msg = f"Invalid emoji. {value} is not a valid emoji."
@@ -30,6 +30,7 @@ def getattr_return_str(value):
 def getattr_return_bool(value):
     if isinstance(value, bool):
         return value
+    return None
 
 
 def getattr_return_list_of_str(value):

src/backend/base/langflow/custom/code_parser/code_parser.py

@@ -218,8 +218,7 @@ class CodeParser:
 
         defaults = missing_defaults + default_values
 
-        args = [self.parse_arg(arg, default) for arg, default in zip(node.args.args, defaults)]
+        return [self.parse_arg(arg, default) for arg, default in zip(node.args.args, defaults)]
-        return args
 
     def parse_varargs(self, node: ast.FunctionDef) -> list[dict[str, Any]]:
         """
@@ -240,8 +239,7 @@ class CodeParser:
             ast.unparse(default) if default else None for default in node.args.kw_defaults
         ]
 
-        args = [self.parse_arg(arg, default) for arg, default in zip(node.args.kwonlyargs, kw_defaults)]
+        return [self.parse_arg(arg, default) for arg, default in zip(node.args.kwonlyargs, kw_defaults)]
-        return args
 
     def parse_kwargs(self, node: ast.FunctionDef) -> list[dict[str, Any]]:
         """
@@ -268,19 +266,18 @@ class CodeParser:
         def has_return(node):
             if isinstance(node, ast.Return):
                 return True
-            elif isinstance(node, ast.If):
+            if isinstance(node, ast.If):
                 return any(has_return(child) for child in node.body) or any(has_return(child) for child in node.orelse)
-            elif isinstance(node, ast.Try):
+            if isinstance(node, ast.Try):
                 return (
                     any(has_return(child) for child in node.body)
                     or any(has_return(child) for child in node.handlers)
                     or any(has_return(child) for child in node.finalbody)
                 )
-            elif isinstance(node, ast.For | ast.While):
+            if isinstance(node, ast.For | ast.While):
                 return any(has_return(child) for child in node.body) or any(has_return(child) for child in node.orelse)
-            elif isinstance(node, ast.With):
+            if isinstance(node, ast.With):
                 return any(has_return(child) for child in node.body)
-            else:
             return False
 
         return any(has_return(child) for child in node.body)
@@ -293,6 +290,7 @@ class CodeParser:
         for target in stmt.targets:
             if isinstance(target, ast.Name):
                 return {"name": target.id, "value": ast.unparse(stmt.value)}
+        return None
 
     def parse_ann_assign(self, stmt):
         """
@@ -305,6 +303,7 @@ class CodeParser:
                 "value": ast.unparse(stmt.value) if stmt.value else None,
                 "annotation": ast.unparse(stmt.annotation),
             }
+        return None
 
     def parse_function_def(self, stmt):
         """

src/backend/base/langflow/custom/custom_component/base_component.py

@@ -98,8 +98,7 @@ class BaseComponent:
 
         cc_class = eval_custom_component_code(self._code)
         component_instance = cc_class(_code=self._code)
-        template_config = self.get_template_config(component_instance)
+        return self.get_template_config(component_instance)
-        return template_config
 
     def build(self, *args: Any, **kwargs: Any) -> Any:
         raise NotImplementedError

src/backend/base/langflow/custom/custom_component/component.py

@@ -318,18 +318,16 @@ class Component(CustomComponent):
     def _inherits_from_component(self, method: Callable):
         # check if the method is a method from a class that inherits from Component
         # and that it is an output of that class
-        inherits_from_component = hasattr(method, "__self__") and isinstance(method.__self__, Component)
+        return hasattr(method, "__self__") and isinstance(method.__self__, Component)
-        return inherits_from_component
 
     def _method_is_valid_output(self, method: Callable):
         # check if the method is a method from a class that inherits from Component
         # and that it is an output of that class
-        method_is_output = (
+        return (
             hasattr(method, "__self__")
             and isinstance(method.__self__, Component)
             and method.__self__.get_output_by_method(method)
         )
-        return method_is_output
 
     def _build_error_string_from_matching_pairs(self, matching_pairs: list[tuple[Output, Input]]):
         text = ""
@@ -558,7 +556,7 @@ class Component(CustomComponent):
 
         frontend_node.validate_component()
         frontend_node.set_base_classes_from_outputs()
-        data = {
+        return {
             "data": {
                 "node": frontend_node.to_dict(keep_name=False),
                 "type": self.name or self.__class__.__name__,
@@ -566,7 +564,6 @@ class Component(CustomComponent):
             },
             "id": self._id,
         }
-        return data
 
     def _validate_inputs(self, params: dict):
         # Params keys are the `name` attribute of the Input objects
@@ -732,8 +729,7 @@ class Component(CustomComponent):
         self.inputs = self.template_config.get("inputs", [])
         if not self.inputs:
             return {}
-        build_config = {_input.name: _input.model_dump(by_alias=True, exclude_none=True) for _input in self.inputs}
+        return {_input.name: _input.model_dump(by_alias=True, exclude_none=True) for _input in self.inputs}
-        return build_config
 
     def _get_field_order(self):
         try:

src/backend/base/langflow/custom/custom_component/custom_component.py

@@ -531,10 +531,9 @@ class CustomComponent(BaseComponent):
         """
         This function is called after the code validation is done.
         """
-        frontend_node = update_frontend_node_with_template_values(
+        return update_frontend_node_with_template_values(
             frontend_node=new_frontend_node, raw_frontend_node=current_frontend_node
         )
-        return frontend_node
 
     def get_langchain_callbacks(self) -> list[BaseCallbackHandler]:
         if self._tracing_service:

src/backend/base/langflow/custom/directory_reader/directory_reader.py

@@ -222,18 +222,17 @@ class DirectoryReader:
 
         if file_content is None:
             return False, f"Could not read {file_path}"
-        elif self.is_empty_file(file_content):
+        if self.is_empty_file(file_content):
             return False, "Empty file"
-        elif not self.validate_code(file_content):
+        if not self.validate_code(file_content):
             return False, "Syntax error"
-        elif self._is_type_hint_used_in_args("Optional", file_content) and not self._is_type_hint_imported(
+        if self._is_type_hint_used_in_args("Optional", file_content) and not self._is_type_hint_imported(
             "Optional", file_content
         ):
             return (
                 False,
                 "Type hint 'Optional' is used but not imported in the code.",
             )
-        else:
         if self.compress_code_field:
             file_content = str(StringCompressor(file_content).compress_string())
         return True, file_content
@@ -300,18 +299,17 @@ class DirectoryReader:
 
         if file_content is None:
             return False, f"Could not read {file_path}"
-        elif self.is_empty_file(file_content):
+        if self.is_empty_file(file_content):
             return False, "Empty file"
-        elif not self.validate_code(file_content):
+        if not self.validate_code(file_content):
             return False, "Syntax error"
-        elif self._is_type_hint_used_in_args("Optional", file_content) and not self._is_type_hint_imported(
+        if self._is_type_hint_used_in_args("Optional", file_content) and not self._is_type_hint_imported(
             "Optional", file_content
         ):
             return (
                 False,
                 "Type hint 'Optional' is used but not imported in the code.",
             )
-        else:
         if self.compress_code_field:
             file_content = str(StringCompressor(file_content).compress_string())
         return True, file_content

src/backend/base/langflow/custom/utils.py

@@ -256,9 +256,8 @@ def run_build_inputs(
 ):
     """Run the build inputs of a custom component."""
     try:
-        field_config = custom_component.build_inputs(user_id=user_id)
+        return custom_component.build_inputs(user_id=user_id)
         # add_extra_fields(frontend_node, field_config, field_config.values())
-        return field_config
     except Exception as exc:
         logger.error(f"Error running build inputs: {exc}")
         raise HTTPException(status_code=500, detail=str(exc)) from exc
@@ -269,7 +268,7 @@ def get_component_instance(custom_component: CustomComponent, user_id: str | UUI
         if custom_component._code is None:
             msg = "Code is None"
             raise ValueError(msg)
-        elif isinstance(custom_component._code, str):
+        if isinstance(custom_component._code, str):
             custom_class = eval_custom_component_code(custom_component._code)
         else:
             msg = "Invalid code type"
@@ -285,8 +284,7 @@ def get_component_instance(custom_component: CustomComponent, user_id: str | UUI
         ) from exc
 
     try:
-        custom_instance = custom_class(_user_id=user_id, _code=custom_component._code)
+        return custom_class(_user_id=user_id, _code=custom_component._code)
-        return custom_instance
     except Exception as exc:
         logger.error(f"Error while instantiating custom component: {str(exc)}")
         if hasattr(exc, "detail") and "traceback" in exc.detail:
@@ -305,7 +303,7 @@ def run_build_config(
         if custom_component._code is None:
             msg = "Code is None"
             raise ValueError(msg)
-        elif isinstance(custom_component._code, str):
+        if isinstance(custom_component._code, str):
             custom_class = eval_custom_component_code(custom_component._code)
         else:
             msg = "Invalid code type"

src/backend/base/langflow/exceptions/api.py

@@ -31,5 +31,4 @@ class APIException(HTTPException):
             outdated_components = get_outdated_components(flow)
             if outdated_components:
                 body["suggestion"] = get_suggestion_message(outdated_components)
-        excep = ExceptionBody(**body)
+        return ExceptionBody(**body)
-        return excep

src/backend/base/langflow/field_typing/__init__.py

@@ -48,7 +48,7 @@ def __getattr__(name: str) -> Any:
     if name == "Input":
         return _import_input_class()
         return RangeSpec
-    elif name == "Output":
+    if name == "Output":
         return _import_output_class()
     # The other names should work as if they were imported from constants
     # Import the constants module langflow.field_typing.constants

src/backend/base/langflow/graph/edge/base.py

@@ -35,13 +35,11 @@ class Edge:
                                 "might not be a valid input."
                             )
                             raise ValueError(msg) from e
-                        else:
                         msg = (
                             f"Field '{self._target_handle['fieldName']}' on {target.display_name} "
                             "might not be a valid input."
                         )
                         raise ValueError(msg) from e
-                    else:
                     raise e
 
             else: