fix: Correct docstring formatting in tool_wrapper for consistency

Signed-off-by: Andre Bossard <anbossar@microsoft.com>

Author: abossard

backend/api_decorators.py

@@ -224,7 +224,7 @@ def to_langchain_tool(self) -> Any:
 
         # Create a wrapper that reconstructs Pydantic models from flattened params
         async def tool_wrapper(**kwargs):
-            \"\"\"Wrapper that converts flattened params back to Pydantic models.\"\"\"
+            """Wrapper that converts flattened params back to Pydantic models."""
             sig = inspect.signature(self.handler)
             hints = get_type_hints(self.handler)