fix: pydantic

python_core/config.py

@@ -8,12 +8,7 @@ Central configuration management for the MixVideo V2 application.
 import os
 from pathlib import Path
 from typing import Dict, Any
-try:
-    from pydantic_settings import BaseSettings
-    from pydantic import Field
-except ImportError:
-    # Fallback for older pydantic versions
-    from pydantic import BaseSettings, Field
+from pydantic import BaseSettings, Field
 
 
 class Settings(BaseSettings):