Fix datetime

shared/auth/jwt_handler.py

@@ -4,7 +4,7 @@ Used across all microservices for consistent authentication
 """
 
 from jose import jwt
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
 from typing import Optional, Dict, Any
 import logging
 
@@ -22,9 +22,9 @@ class JWTHandler:
         to_encode = data.copy()
         
         if expires_delta:
-            expire =  datetime.now(datetime.timezone.utc) + expires_delta
+            expire =  datetime.now(timezone.utc) + expires_delta
         else:
-            expire =  datetime.now(datetime.timezone.utc) + timedelta(minutes=30)
+            expire =  datetime.now(timezone.utc) + timedelta(minutes=30)
         
         to_encode.update({"exp": expire, "type": "access"})
         
@@ -36,9 +36,9 @@ class JWTHandler:
         to_encode = data.copy()
         
         if expires_delta:
-            expire =  datetime.now(datetime.timezone.utc) + expires_delta
+            expire =  datetime.now(timezone.utc) + expires_delta
         else:
-            expire =  datetime.now(datetime.timezone.utc) + timedelta(days=7)
+            expire =  datetime.now(timezone.utc) + timedelta(days=7)
         
         to_encode.update({"exp": expire, "type": "refresh"})