diff --git a/backend/open_webui/routers/knowledge.py b/backend/open_webui/routers/knowledge.py
index e1228a72b5..b8ac0de2d2 100644
--- a/backend/open_webui/routers/knowledge.py
+++ b/backend/open_webui/routers/knowledge.py
@@ -358,6 +358,7 @@ async def update_knowledge_by_id(
 class KnowledgeFileIdForm(BaseModel):
     file_id: str
 
+
 class KnowledgeFileIdsForm(BaseModel):
     file_ids: List[str]
 
@@ -447,9 +448,6 @@ def add_file_to_knowledge_by_id(
         )
 
 
-
-
-
 @router.post("/{id}/file/sync/batch", response_model=Optional[KnowledgeFilesResponse])
 def sync_files_to_knowledge_batch(
     request: Request,
diff --git a/backend/open_webui/utils/knowledge_sync.py b/backend/open_webui/utils/knowledge_sync.py
index 7435dddb4b..3dcfa51e63 100644
--- a/backend/open_webui/utils/knowledge_sync.py
+++ b/backend/open_webui/utils/knowledge_sync.py
@@ -168,12 +168,8 @@ def sync_files_to_knowledge(
             except Exception as ve:
                 log.debug(ve)
             try:
-                if VECTOR_DB_CLIENT.has_collection(
-                    collection_name=f"file-{old_id}"
-                ):
-                    VECTOR_DB_CLIENT.delete_collection(
-                        collection_name=f"file-{old_id}"
-                    )
+                if VECTOR_DB_CLIENT.has_collection(collection_name=f"file-{old_id}"):
+                    VECTOR_DB_CLIENT.delete_collection(collection_name=f"file-{old_id}")
             except Exception as ce:
                 log.debug(ce)