Fix datetime

services/auth/app/services/auth_service.py

@@ -6,7 +6,7 @@ Authentication service business logic - Complete implementation
 """
 
 import logging
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
 from typing import Optional, Dict, Any
 from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy import select, update
@@ -64,7 +64,7 @@ class AuthService:
             UserRegisteredEvent(
                 event_id=str(user.id),
                 service_name="auth-service",
-                timestamp=datetime.now(datetime.timezone.utc),
+                timestamp=datetime.now(timezone.utc),
                 data={
                     "user_id": str(user.id),
                     "email": user.email,
@@ -114,7 +114,7 @@ class AuthService:
         await db.execute(
             update(User)
             .where(User.id == user.id)
-            .values(last_login=datetime.now(datetime.timezone.utc))
+            .values(last_login=datetime.now(timezone.utc))
         )
         await db.commit()
         
@@ -139,7 +139,7 @@ class AuthService:
             refresh_token_hash=security_manager.hash_token(refresh_token),
             ip_address=ip_address,
             user_agent=user_agent,
-            expires_at=datetime.now(datetime.timezone.utc) + timedelta(days=settings.JWT_REFRESH_TOKEN_EXPIRE_DAYS)
+            expires_at=datetime.now(timezone.utc) + timedelta(days=settings.JWT_REFRESH_TOKEN_EXPIRE_DAYS)
         )
         
         db.add(session)
@@ -152,7 +152,7 @@ class AuthService:
             UserLoginEvent(
                 event_id=str(session.id),
                 service_name="auth-service",
-                timestamp=datetime.now(datetime.timezone.utc),
+                timestamp=datetime.now(timezone.utc),
                 data={
                     "user_id": str(user.id),
                     "email": user.email,