Werkzeug Internal Server Error

traceback.txt

Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1836, in __call__
    return self.wsgi_app(environ, start_response)
  File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1820, in wsgi_app
    response = self.make_response(self.handle_exception(e))
  File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1403, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1817, in wsgi_app
    response = self.full_dispatch_request()
  File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1477, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1381, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1475, in full_dispatch_request
    rv = self.dispatch_request()
  File "/usr/lib64/python2.7/site-packages/flask/app.py", line 1461, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/data/src/saltpad/saltpad/app.py", line 65, in login
    user_token = client.login(form['username'].data, form['password'].data)
  File "/data/src/saltpad/saltpad/core.py", line 151, in login
    headers=headers, verify=self.verify_ssl)['return'][0]['token']
  File "/usr/lib64/python2.7/site-packages/requests/sessions.py", line 504, in post
    return self.request('POST', url, data=data, json=json, **kwargs)
  File "/data/src/saltpad/saltpad/core.py", line 120, in request
    response = super(HTTPSaltStackSession, self).request(*args, **kwargs)
  File "/usr/lib64/python2.7/site-packages/requests/sessions.py", line 461, in request
    resp = self.send(prep, **send_kwargs)
  File "/usr/lib64/python2.7/site-packages/requests/sessions.py", line 573, in send
    r = adapter.send(request, **kwargs)
  File "/usr/lib64/python2.7/site-packages/requests/adapters.py", line 415, in send
    raise ConnectionError(err, request=request)
ConnectionError: ('Connection aborted.', error(104, 'Connection reset by peer'))