[Chore/Refactor] Switch from MyPy to Basedpyright for type checking (#25047)

Signed-off-by: -LAN- <laipz8200@outlook.com>

api/controllers/service_api/app/file_preview.py

@@ -59,7 +59,7 @@ class FilePreviewApi(Resource):
         args = file_preview_parser.parse_args()
 
         # Validate file ownership and get file objects
-        message_file, upload_file = self._validate_file_ownership(file_id, app_model.id)
+        _, upload_file = self._validate_file_ownership(file_id, app_model.id)
 
         # Get file content generator
         try:

api/controllers/service_api/dataset/document.py

@@ -410,7 +410,7 @@ class DocumentUpdateByFileApi(DatasetApiResource):
         DocumentService.document_create_args_validate(knowledge_config)
 
         try:
-            documents, batch = DocumentService.save_document_with_dataset_id(
+            documents, _ = DocumentService.save_document_with_dataset_id(
                 dataset=dataset,
                 knowledge_config=knowledge_config,
                 account=dataset.created_by_account,