File "/usr/local/pyenv/versions/Python-2.6.8/lib/python2.6/profile.py", line 220, in trace_dispatch
    if self.dispatch[event](self, frame,t):
  File "/usr/local/pyenv/versions/Python-2.6.8/lib/python2.6/profile.py", line 292, in trace_dispatch_call
    frame, frame.f_back)
AssertionError: ('Bad call', ('', 0, 'switch'), <frame object at 0x7f2e0401eb50>, <frame object at 0x7f2e0c002dd0>, <frame object at 0x7f2e04589820>, <frame object at 0x7f2e04001150>)