diff --git a/src/backend/langflow/__main__.py b/src/backend/langflow/__main__.py
index 543c59f32..7e7fa076b 100644
--- a/src/backend/langflow/__main__.py
+++ b/src/backend/langflow/__main__.py
@@ -1,6 +1,7 @@
 import multiprocessing
 import platform
 from pathlib import Path
+from typing import Optional
 
 import typer
 from fastapi.staticfiles import StaticFiles
@@ -18,7 +19,7 @@ def get_number_of_workers(workers=None):
     return workers
 
 
-def update_settings(config: str, dev: bool = False, database_url: str = None):
+def update_settings(config: str, dev: bool = False, database_url: Optional[str] = None):
     """Update the settings from a config file."""
     if config:
         settings.update_from_yaml(config, dev=dev)
diff --git a/src/backend/langflow/template/frontend_node/llms.py b/src/backend/langflow/template/frontend_node/llms.py
index 39e82422f..c2aedb45e 100644
--- a/src/backend/langflow/template/frontend_node/llms.py
+++ b/src/backend/langflow/template/frontend_node/llms.py
@@ -66,5 +66,5 @@ class LLMFrontendNode(FrontendNode):
             field.show = True
 
         LLMFrontendNode.format_openai_field(field)
-        if "azure" in name.lower():
+        if name and "azure" in name.lower():
             LLMFrontendNode.format_azure_field(field)
diff --git a/tests/test_database.py b/tests/test_database.py
index e4ba26387..8b680129f 100644
--- a/tests/test_database.py
+++ b/tests/test_database.py
@@ -299,9 +299,9 @@ def test_update_flow_style(client: TestClient):
     flow_style = FlowStyleCreate(color="red", emoji="🔴")
     response = client.post("api/v1/flow_styles/", json=flow_style.dict())
     created_flow_style = FlowStyleRead(**response.json())
-    updated_flow_style = FlowStyleUpdate(color="blue")
+    to_update_flow_style = FlowStyleUpdate(color="blue")
     response = client.patch(
-        f"api/v1/flow_styles/{created_flow_style.id}", json=updated_flow_style.dict()
+        f"api/v1/flow_styles/{created_flow_style.id}", json=to_update_flow_style.dict()
     )
     assert response.status_code == 200
     updated_flow_style = FlowStyleRead(**response.json())