diff --git a/api/controllers/console/workspace/members.py b/api/controllers/console/workspace/members.py
index b988e8b082..25af61026c 100644
--- a/api/controllers/console/workspace/members.py
+++ b/api/controllers/console/workspace/members.py
@@ -12,9 +12,9 @@ from controllers.console.auth.error import (
     EmailCodeError,
     InvalidEmailError,
     InvalidTokenError,
+    MemberNotInTenantError,
     NotOwnerError,
     OwnerTransferLimitError,
-    MemberNotInTenantError
 )
 from controllers.console.error import EmailSendIpLimitError, WorkspaceMembersLimitExceeded
 from controllers.console.wraps import (
diff --git a/api/services/account_service.py b/api/services/account_service.py
index de425a1640..0c37cb0cb0 100644
--- a/api/services/account_service.py
+++ b/api/services/account_service.py
@@ -2,7 +2,6 @@ import base64
 import json
 import logging
 import secrets
-from tkinter import N
 import uuid
 from datetime import UTC, datetime, timedelta
 from hashlib import sha256