diff --git a/letta/functions/async_composio_toolset.py b/letta/functions/async_composio_toolset.py
index 5ebd385f..f240721e 100644
--- a/letta/functions/async_composio_toolset.py
+++ b/letta/functions/async_composio_toolset.py
@@ -98,7 +98,7 @@ class AsyncComposioToolSet(BaseComposioToolSet, runtime="letta"):
         except aiohttp.ClientError as e:
             # Wrap network errors in ComposioSDKError
             raise ComposioSDKError(f"Network error when calling Composio API: {str(e)}")
-        except ValueError as e:
+        except ValueError:
             # Re-raise ValueError (which could be our custom error message or a JSON parsing error)
             raise
         except Exception as e:
diff --git a/letta/settings.py b/letta/settings.py
index a3149ac9..81551bac 100644
--- a/letta/settings.py
+++ b/letta/settings.py
@@ -196,6 +196,7 @@ class Settings(BaseSettings):
     # experimental toggle
     use_experimental: bool = False
     use_vertex_structured_outputs_experimental: bool = False
+    use_vertex_async_loop_experimental: bool = False
 
     # LLM provider client settings
     httpx_max_retries: int = 5