Fix basedpyright type errors (#25435)

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

api/controllers/console/app/conversation.py

@@ -22,7 +22,7 @@ from fields.conversation_fields import (
 from libs.datetime_utils import naive_utc_now
 from libs.helper import DatetimeString
 from libs.login import login_required
-from models import Conversation, EndUser, Message, MessageAnnotation
+from models import Account, Conversation, EndUser, Message, MessageAnnotation
 from models.model import AppMode
 from services.conversation_service import ConversationService
 from services.errors.conversation import ConversationNotExistsError
@@ -124,6 +124,8 @@ class CompletionConversationDetailApi(Resource):
         conversation_id = str(conversation_id)
 
         try:
+            if not isinstance(current_user, Account):
+                raise ValueError("current_user must be an Account instance")
             ConversationService.delete(app_model, conversation_id, current_user)
         except ConversationNotExistsError:
             raise NotFound("Conversation Not Exists.")
@@ -282,6 +284,8 @@ class ChatConversationDetailApi(Resource):
         conversation_id = str(conversation_id)
 
         try:
+            if not isinstance(current_user, Account):
+                raise ValueError("current_user must be an Account instance")
             ConversationService.delete(app_model, conversation_id, current_user)
         except ConversationNotExistsError:
             raise NotFound("Conversation Not Exists.")