more assert (#24996)

Signed-off-by: -LAN- <laipz8200@outlook.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: -LAN- <laipz8200@outlook.com>
Co-authored-by: crazywoola <100913391+crazywoola@users.noreply.github.com>

api/services/file_service.py

@@ -3,7 +3,6 @@ import os
 import uuid
 from typing import Any, Literal, Union
 
-from flask_login import current_user
 from werkzeug.exceptions import NotFound
 
 from configs import dify_config
@@ -19,6 +18,7 @@ from extensions.ext_database import db
 from extensions.ext_storage import storage
 from libs.datetime_utils import naive_utc_now
 from libs.helper import extract_tenant_id
+from libs.login import current_user
 from models.account import Account
 from models.enums import CreatorUserRole
 from models.model import EndUser, UploadFile
@@ -111,6 +111,9 @@ class FileService:
 
     @staticmethod
     def upload_text(text: str, text_name: str) -> UploadFile:
+        assert isinstance(current_user, Account)
+        assert current_user.current_tenant_id is not None
+
         if len(text_name) > 200:
             text_name = text_name[:200]
         # user uuid as file name