added detailed exception traceback printing in EndpointHandler

handler.py

@@ -16,6 +16,7 @@ import base64
 import io
 import numpy as np
 from huggingface_hub import hf_hub_download
+import traceback
 
 class EndpointHandler:
     def __init__(self, path=""):
@@ -87,7 +88,6 @@ class EndpointHandler:
                 cross_fade_duration=cross_fade_duration,
                 speed=speed,
                 show_info=print,
-                progress=None,
             )
 
             if remove_silence:
@@ -108,7 +108,9 @@ class EndpointHandler:
                 }
 
         except Exception as e:
-            print(e)
+            print("==== Exception Traceback ====")
+            traceback.print_exc()
+            print("==== End Traceback ====")
             return {
                 "success": False,
                 "error": f"{type(e).__name__}: {str(e)}"