example for rm extra cast (#24646)

api/core/rag/datasource/vdb/tidb_on_qdrant/tidb_on_qdrant_vector.py

 import uuid
 from collections.abc import Generator, Iterable, Sequence
 from itertools import islice
-from typing import TYPE_CHECKING, Any, Optional, Union, cast
+from typing import TYPE_CHECKING, Any, Optional, Union
 
 import qdrant_client
 import requests
 
     def _reload_if_needed(self):
         if isinstance(self._client, QdrantLocal):
-            self._client = cast(QdrantLocal, self._client)
             self._client._load()
 
     @classmethod

api/services/webapp_auth_service.py

 import enum
 import secrets
 from datetime import UTC, datetime, timedelta
-from typing import Any, Optional, cast
+from typing import Any, Optional
 
 from werkzeug.exceptions import NotFound, Unauthorized
 
         if account.password is None or not compare_password(password, account.password, account.password_salt):
             raise AccountPasswordError("Invalid email or password.")
 
-        return cast(Account, account)
+        return account
 
     @classmethod
     def login(cls, account: Account) -> str: