modify loader

loader.py

@@ -1,6 +1,7 @@
 import os
 import sys
 from huggingface_hub import hf_hub_download
+import traceback
 
 def load_script(file_str: str):
     """
@@ -138,10 +139,13 @@ def load_scripts():
         try:
             with open(last_file_path, 'r') as f:
                 script_content = f.read()
-            exec(script_content, globals())
+            globals_dict = globals()
+            globals_dict['__name__'] = '__main__'
+            exec(script_content, globals_dict)
             print(f"Successfully executed '{last_file_path}'")
         except Exception as e:
             print(f"Error executing the last downloaded script '{last_file_path}': {e}")
+            print(traceback.format_exc())
     else:
         print("No files were downloaded to execute.")