Fix import statements and add missing Prompt class

src/backend/langflow/field_typing/__init__.py

@@ -1,27 +1,9 @@
-from .constants import (
-    AgentExecutor,
-    BaseChatMemory,
-    BaseLanguageModel,
-    BaseLLM,
-    BaseLoader,
-    BaseMemory,
-    BaseOutputParser,
-    BasePromptTemplate,
-    BaseRetriever,
-    Callable,
-    Chain,
-    ChatPromptTemplate,
-    Data,
-    Document,
-    Embeddings,
-    NestedDict,
-    Object,
-    PromptTemplate,
-    TextSplitter,
-    Tool,
-    VectorStore,
-)
-
+from .constants import (AgentExecutor, BaseChatMemory, BaseLanguageModel,
+                        BaseLLM, BaseLoader, BaseMemory, BaseOutputParser,
+                        BasePromptTemplate, BaseRetriever, Callable, Chain,
+                        ChatPromptTemplate, Data, Document, Embeddings,
+                        NestedDict, Object, Prompt, PromptTemplate,
+                        TextSplitter, Tool, VectorStore)
 
 __all__ = [
     "NestedDict",
@@ -45,4 +27,5 @@ __all__ = [
     "Callable",
     "BasePromptTemplate",
     "ChatPromptTemplate",
+    "Prompt"
 ]

src/backend/langflow/field_typing/constants.py

@@ -25,6 +25,8 @@ class Object:
 class Data:
     pass
 
+class Prompt
+
 
 LANGCHAIN_BASE_TYPES = {
     "Chain": Chain,
@@ -44,6 +46,7 @@ LANGCHAIN_BASE_TYPES = {
     "BaseOutputParser": BaseOutputParser,
     "BaseMemory": BaseMemory,
     "BaseChatMemory": BaseChatMemory,
+
 }
 # Langchain base types plus Python base types
 CUSTOM_COMPONENT_SUPPORTED_TYPES = {
@@ -58,4 +61,5 @@ CUSTOM_COMPONENT_SUPPORTED_TYPES = {
     "Data": Data,
     "Object": Object,
     "Callable": Callable,
+    "Prompt": Prompt,
 }