Update json_doc_status_impl.py

lightrag/kg/json_doc_status_impl.py

@@ -68,8 +68,7 @@ class JsonDocStatusStorage(DocStatusStorage):
         for doc_id in doc_ids:
             self._data.pop(doc_id, None)
         await self.index_done_callback()
-        
+
     async def drop(self) -> None:
         """Drop the storage"""
         self._data.clear()
-