Unhandled exception in thread started by <bound method WorkerThread._bootstrap of <WorkerThread(CP Server Thread-5, stopped 139662308308736)>>
Traceback (most recent call last):
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cprequest.py", line 97, in run
    hook()
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cprequest.py", line 57, in __call__
    return self.callback(**self.kwargs)
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/lib/cptools.py", line 409, in log_traceback
    cherrypy.log("", "HTTP", severity=severity, traceback=True)
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/__init__.py", line 299, in __call__
    return log.error(*args, **kwargs)
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cplogging.py", line 177, in error
    msg += _cperror.format_exc()
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cperror.py", line 523, in format_exc
    return "".join(traceback.format_exception(*exc))
  File "/usr/lib/python3.2/traceback.py", line 180, in format_exception
    for value, tb in values:
  File "/usr/lib/python3.2/traceback.py", line 120, in _iter_chain
    seen.add(exc)
TypeError: unhashable type: 'MethodError'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cprequest.py", line 565, in run
    self.respond(pi)
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cprequest.py", line 666, in respond
    self.handle_error()
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cprequest.py", line 732, in handle_error
    self.hooks.run("before_error_response")
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cprequest.py", line 105, in run
    cherrypy.log(traceback=True, severity=40)
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/__init__.py", line 299, in __call__
    return log.error(*args, **kwargs)
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cplogging.py", line 177, in error
    msg += _cperror.format_exc()
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cperror.py", line 523, in format_exc
    return "".join(traceback.format_exception(*exc))
  File "/usr/lib/python3.2/traceback.py", line 180, in format_exception
    for value, tb in values:
  File "/usr/lib/python3.2/traceback.py", line 128, in _iter_chain
    if context is not None and context not in seen:
TypeError: unhashable type: 'MethodError'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cpwsgi.py", line 149, in trap
    return func(*args, **kwargs)
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cpwsgi.py", line 81, in __call__
    return self.nextapp(environ, start_response)
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cpwsgi.py", line 322, in tail
    return self.response_class(environ, start_response, self.cpapp)
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cpwsgi.py", line 194, in __init__
    self.run()
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cpwsgi.py", line 263, in run
    request.run(meth, path, qs, rproto, headers, rfile)
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cprequest.py", line 575, in run
    cherrypy.log(traceback=True, severity=40)
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/__init__.py", line 299, in __call__
    return log.error(*args, **kwargs)
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cplogging.py", line 177, in error
    msg += _cperror.format_exc()
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cperror.py", line 523, in format_exc
    return "".join(traceback.format_exception(*exc))
  File "/usr/lib/python3.2/traceback.py", line 180, in format_exception
    for value, tb in values:
  File "/usr/lib/python3.2/traceback.py", line 134, in _iter_chain
    for x in it:
  File "/usr/lib/python3.2/traceback.py", line 128, in _iter_chain
    if context is not None and context not in seen:
TypeError: unhashable type: 'MethodError'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/wsgiserver/__init__.py", line 982, in communicate
    req.respond()
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/wsgiserver/__init__.py", line 779, in respond
    self.server.gateway(self).respond()
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/wsgiserver/__init__.py", line 1735, in respond
    response = self.req.server.wsgi_app(self.env, self.start_response)
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cptree.py", line 277, in __call__
    return app(environ, start_response)
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cptree.py", line 145, in __call__
    return self.wsgiapp(environ, start_response)
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cpwsgi.py", line 334, in __call__
    return head(environ, start_response)
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cpwsgi.py", line 120, in __call__
    return _TrappedResponse(self.nextapp, environ, start_response, self.throws)
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cpwsgi.py", line 133, in __init__
    self.response = self.trap(self.nextapp, self.environ, self.start_response)
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cpwsgi.py", line 155, in trap
    tb = _cperror.format_exc()
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/_cperror.py", line 523, in format_exc
    return "".join(traceback.format_exception(*exc))
  File "/usr/lib/python3.2/traceback.py", line 180, in format_exception
    for value, tb in values:
  File "/usr/lib/python3.2/traceback.py", line 134, in _iter_chain
    for x in it:
  File "/usr/lib/python3.2/traceback.py", line 134, in _iter_chain
    for x in it:
  File "/usr/lib/python3.2/traceback.py", line 128, in _iter_chain
    if context is not None and context not in seen:
TypeError: unhashable type: 'MethodError'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.2/threading.py", line 736, in _bootstrap_inner
    self.run()
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/wsgiserver/__init__.py", line 1112, in run
    conn.communicate()
  File "/usr/local/lib/python3.2/dist-packages/cherrypy/wsgiserver/__init__.py", line 1027, in communicate
    req.simple_response("500 Internal Server Error", format_exc())
  File "/usr/lib/python3.2/traceback.py", line 269, in format_exc
    format_exception(etype, value, tb, limit, chain))
  File "/usr/lib/python3.2/traceback.py", line 180, in format_exception
    for value, tb in values:
  File "/usr/lib/python3.2/traceback.py", line 134, in _iter_chain
    for x in it:
  File "/usr/lib/python3.2/traceback.py", line 134, in _iter_chain
    for x in it:
  File "/usr/lib/python3.2/traceback.py", line 134, in _iter_chain
    for x in it:
  File "/usr/lib/python3.2/traceback.py", line 128, in _iter_chain
    if context is not None and context not in seen:
TypeError: unhashable type: 'MethodError'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.2/threading.py", line 709, in _bootstrap
    self._bootstrap_inner()
  File "/usr/lib/python3.2/threading.py", line 749, in _bootstrap_inner
    (self.name, _format_exc()))
  File "/usr/lib/python3.2/traceback.py", line 269, in format_exc
    format_exception(etype, value, tb, limit, chain))
  File "/usr/lib/python3.2/traceback.py", line 180, in format_exception
    for value, tb in values:
  File "/usr/lib/python3.2/traceback.py", line 134, in _iter_chain
    for x in it:
  File "/usr/lib/python3.2/traceback.py", line 134, in _iter_chain
    for x in it:
  File "/usr/lib/python3.2/traceback.py", line 134, in _iter_chain
    for x in it:
  File "/usr/lib/python3.2/traceback.py", line 134, in _iter_chain
    for x in it:
  File "/usr/lib/python3.2/traceback.py", line 128, in _iter_chain
    if context is not None and context not in seen:
TypeError: unhashable type: 'MethodError'