Werkzeug Internal Server Error

traceback.txt

Traceback (most recent call last):
  File "/home/kaltenstein/.virtualenvs/pokey/lib/python2.7/site-packages/flask/app.py", line 2000, in __call__
    return self.wsgi_app(environ, start_response)
  File "/home/kaltenstein/.virtualenvs/pokey/lib/python2.7/site-packages/flask/app.py", line 1991, in wsgi_app
    response = self.make_response(self.handle_exception(e))
  File "/home/kaltenstein/.virtualenvs/pokey/lib/python2.7/site-packages/flask/app.py", line 1567, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "/home/kaltenstein/.virtualenvs/pokey/lib/python2.7/site-packages/flask/app.py", line 1988, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/kaltenstein/.virtualenvs/pokey/lib/python2.7/site-packages/flask/app.py", line 1641, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/kaltenstein/.virtualenvs/pokey/lib/python2.7/site-packages/flask/app.py", line 1544, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/kaltenstein/.virtualenvs/pokey/lib/python2.7/site-packages/flask/app.py", line 1639, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/kaltenstein/.virtualenvs/pokey/lib/python2.7/site-packages/flask/app.py", line 1625, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/kaltenstein/projects/PokeyPyManager/mgr.py", line 152, in inventory
    inventory = session.getInventory()
  File "/home/kaltenstein/projects/PokeyPyManager/pogo/session.py", line 58, in getInventory
    self.getProfile()
  File "/home/kaltenstein/projects/PokeyPyManager/pogo/session.py", line 44, in getProfile
    res = self.wrapAndRequest(payload)
  File "/home/kaltenstein/projects/PokeyPyManager/pogo/session_bare.py", line 291, in wrapAndRequest
    self.endpoint = self.formatEndpoint(res.api_url)
AttributeError: can't set attribute