Traceback (most recent call last):
  File "../ffd.py", line 7, in <module>
    response = br.open(sys.argv[1])
  File "/usr/lib/python2.6/site-packages/mechanize/_mechanize.py", line 206, in open
    return self._mech_open(url, data)
  File "/usr/lib/python2.6/site-packages/mechanize/_mechanize.py", line 232, in _mech_open
    response = UserAgentBase.open(self, request, data)
  File "/usr/lib/python2.6/site-packages/mechanize/_opener.py", line 175, in open
    req = meth(req)
  File "/usr/lib/python2.6/site-packages/mechanize/_http.py", line 450, in http_request
    self.rfp.read()
  File "/usr/lib/python2.6/site-packages/mechanize/_http.py", line 395, in read
    robotparser._debug("allow all")
AttributeError: 'module' object has no attribute '_debug'