[web2py] Problem uploading on GAE

[Ravi]

on running appconfig.py it is showing this error-

Traceback (most recent call last):
  File "appcfg.py", line 68, in <module>
    run_file(__file__, globals())
  File "appcfg.py", line 64, in run_file
    execfile(script_path, globals_)
NameError: global name 'execfile' is not defined

what shud i do