Internal Server Error

The server has either erred or is incapable of performing the requested operation.

Traceback (most recent call last):
  File "/base/alloc/tmpfs/dynamic_runtimes/python27g/25fef2553b936881/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 1535, in __call__
    rv = self.handle_exception(request, response, e)
  File "/base/alloc/tmpfs/dynamic_runtimes/python27g/25fef2553b936881/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 1529, in __call__
    rv = self.router.dispatch(request, response)
  File "/base/alloc/tmpfs/dynamic_runtimes/python27g/25fef2553b936881/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 1278, in default_dispatcher
    return route.handler_adapter(request, response)
  File "/base/alloc/tmpfs/dynamic_runtimes/python27g/25fef2553b936881/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 1102, in __call__
    return handler.dispatch()
  File "/base/alloc/tmpfs/dynamic_runtimes/python27g/25fef2553b936881/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 572, in dispatch
    return self.handle_exception(e, self.app.debug)
  File "/base/alloc/tmpfs/dynamic_runtimes/python27g/25fef2553b936881/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 570, in dispatch
    return method(*args, **kwargs)
  File "/base/data/home/apps/s~ee-demos/server-auth.385274856068291385/server.py", line 23, in get
    ee.Initialize(config.EE_CREDENTIALS)
  File "/base/data/home/apps/s~ee-demos/server-auth.385274856068291385/ee/__init__.py", line 83, in Initialize
    ApiFunction.initialize()
  File "/base/data/home/apps/s~ee-demos/server-auth.385274856068291385/ee/apifunction.py", line 145, in initialize
    signatures = data.getAlgorithms()
  File "/base/data/home/apps/s~ee-demos/server-auth.385274856068291385/ee/data.py", line 343, in getAlgorithms
    return send_('/algorithms', {}, 'GET')
  File "/base/data/home/apps/s~ee-demos/server-auth.385274856068291385/ee/data.py", line 573, in send_
    headers=headers)
  File "/base/data/home/apps/s~ee-demos/server-auth.385274856068291385/oauth2client/util.py", line 129, in positional_wrapper
    return wrapped(*args, **kwargs)
  File "/base/data/home/apps/s~ee-demos/server-auth.385274856068291385/oauth2client/client.py", line 516, in new_request
    self._refresh(request_orig)
  File "/base/data/home/apps/s~ee-demos/server-auth.385274856068291385/oauth2client/client.py", line 728, in _refresh
    self._do_refresh_request(http_request)
  File "/base/data/home/apps/s~ee-demos/server-auth.385274856068291385/oauth2client/client.py", line 790, in _do_refresh_request
    raise AccessTokenRefreshError(error_msg)
AccessTokenRefreshError: invalid_grant: Invalid JWT Signature.