Few fixes

services/data/app/core/config.py

@@ -3,7 +3,7 @@ uLudata service configuration
 """
 
 import os
-from pydantic import BaseSettings
+from pydantic_settings import BaseSettings
 
 class Settings(BaseSettings):
     """Application settings"""

services/data/shared/auth/jwt_handler.py

@@ -3,7 +3,7 @@ Shared JWT Authentication Handler
 Used across all microservices for consistent authentication
 """
 
-import jwt
+from jose import jwt
 from datetime import datetime, timedelta
 from typing import Optional, Dict, Any
 import logging
@@ -53,6 +53,6 @@ class JWTHandler:
         except jwt.ExpiredSignatureError:
             logger.warning("Token has expired")
             return None
-        except jwt.InvalidTokenError:
+        except jwt.JWTError:
             logger.warning("Invalid token")
             return None