Hi All I just noticed my app raised an exception such as Traceback (most recent call last): File "/home/m/py343/lib/python3.4/runpy.py", line 170, in _run_module_as_main "__main__", mod_spec) File "/home/m/py343/lib/python3.4/runpy.py", line 85, in _run_code exec(code, run_globals) File "gw_go.zip/__main__.py", line 8, in <module> File "gw_go.zip/gw_server2/gw_go.py", line 87, in main File "/home/m/py343/lib/python3.4/site-packages/twisted/python/logfile.py", line 48, in fromFullPath os.path.dirname(logPath), *args, **kwargs) File "/home/m/py343/lib/python3.4/site-packages/twisted/python/logfile.py", line 40, in __init__ self._openFile() File "/home/m/py343/lib/python3.4/site-packages/twisted/python/logfile.py", line 238, in _openFile BaseLogFile._openFile(self) File "/home/m/py343/lib/python3.4/site-packages/twisted/python/logfile.py", line 75, in _openFile self._file = file(self.path, "w+", 1) NameError: name 'file' is not defined I used python 3.4 and twisted 15.40 (from pip) under ubuntu 14.04. Regards gelin yan