[autofix.ci] apply automated fixes

api/libs/mail/oauth_email.py

@@ -3,7 +3,7 @@
 import base64
 import urllib.parse
 from dataclasses import dataclass
-from typing import Optional, Union
+from typing import Union
 
 from .oauth_http_client import OAuthHTTPClient, OAuthHTTPClientProtocol
 

api/libs/mail/oauth_http_client.py

@@ -1,7 +1,7 @@
 """HTTP client abstraction for OAuth requests"""
 
 from abc import ABC, abstractmethod
-from typing import Optional, Union
+from typing import Union
 
 import requests
 

api/libs/mail/smtp.py

@@ -5,7 +5,6 @@ import logging
 import smtplib
 from email.mime.multipart import MIMEMultipart
 from email.mime.text import MIMEText
-from typing import Optional
 
 from .smtp_connection import (
     SMTPConnectionFactory,

api/tests/unit_tests/libs/mail/test_oauth_email.py

@@ -1,7 +1,7 @@
 """Comprehensive tests for email OAuth implementation"""
 
 import base64
-from typing import Optional, Union
+from typing import Union
 
 import pytest