Fix linting

lightrag/kg/shared_storage.py

@@ -344,6 +344,7 @@ async def set_all_update_flags(namespace: str):
             else:
                 _update_flags[namespace][i] = True
 
+
 async def clear_all_update_flags(namespace: str):
     """Clear all update flag of namespace indicating all workers need to reload data from files"""
     global _update_flags
@@ -360,6 +361,7 @@ async def clear_all_update_flags(namespace: str):
             else:
                 _update_flags[namespace][i] = False
 
+
 async def get_all_update_flags_status() -> Dict[str, list]:
     """
     Get update flags status for all namespaces.