[fix] code

api/app/controllers/workspace_controller.py

@@ -1,6 +1,9 @@
 import uuid
 from typing import List, Optional
 
+from fastapi import APIRouter, Depends, HTTPException, Query, status
+from sqlalchemy.orm import Session
+
 from app.core.logging_config import get_api_logger
 from app.core.response_utils import success
 from app.db import get_db
@@ -13,15 +16,11 @@ from app.dependencies import (
 )
 from app.models.tenant_model import Tenants
 from app.models.user_model import User
-from app.models.workspace_model import InviteStatus, Workspace
-from app.schemas import knowledge_schema
+from app.models.workspace_model import InviteStatus
 from app.schemas.response_schema import ApiResponse
 from app.schemas.workspace_schema import (
-    InviteAcceptRequest,
-    InviteValidateResponse,
     WorkspaceCreate,
     WorkspaceInviteCreate,
-    WorkspaceInviteResponse,
     WorkspaceMemberItem,
     WorkspaceMemberUpdate,
     WorkspaceModelsConfig,
@@ -29,9 +28,7 @@ from app.schemas.workspace_schema import (
     WorkspaceResponse,
     WorkspaceUpdate,
 )
-from app.services import document_service, knowledge_service, workspace_service
-from fastapi import APIRouter, Depends, HTTPException, Query, status
-from sqlalchemy.orm import Session
+from app.services import workspace_service
 
 # 获取API专用日志器
 api_logger = get_api_logger()