Update handler.py

handler.py

@@ -3,6 +3,7 @@ from typing import Dict, Any, Optional
 import base64
 import logging
 import random
+import traceback
 import torch
 from diffusers import HunyuanVideoPipeline
 from varnish import Varnish
@@ -243,5 +244,6 @@ class EndpointHandler:
                 }
 
         except Exception as e:
+            traceback.print_stack()
             logger.error(f"Error generating video: {str(e)}")
             raise RuntimeError(f"Failed to generate video: {str(e)}")