chore: add traceback import for enhanced error handling

- Introduced the traceback module to improve error reporting and debugging capabilities.
- Ensured that existing code logic remains unchanged while preparing for future enhancements.

desktop_env/controllers/python.py

@@ -3,6 +3,7 @@ import logging
 import random
 from typing import Any, Dict, Optional
 import time
+import traceback
 import requests
 
 from desktop_env.actions import KEYBOARD_KEYS