2019-02-16 19:57:30.747 [launcher][ERROR] Except stack:Traceback (most recent call last):


 "/Users/osx/Desktop/XX-Net-master/code/3.13.1/launcher/module_init.py", line 40, in start

proc_handler[module]["imp"] = __import__(module, globals(), locals(), ['local', 'start'], -1)


 "/Users/osx/Desktop/XX-Net-master/code/3.13.1/gae_proxy/local/__init__.py", line 2, in <module>

import apis


 "/Users/osx/Desktop/XX-Net-master/code/3.13.1/gae_proxy/local/apis.py", line 2, in <module>

from front import front, direct_front


 "/Users/osx/Desktop/XX-Net-master/code/3.13.1/gae_proxy/local/front.py", line 15, in <module>

from front_base.http_dispatcher import HttpsDispatcher


 "/Users/osx/Desktop/XX-Net-master/code/3.13.1/python27/1.0/lib/noarch/front_base/http_dispatcher.py", line 32, in <module>

from http2_connection import Http2Worker


 "/Users/osx/Desktop/XX-Net-master/code/3.13.1/python27/1.0/lib/noarch/front_base/http2_connection.py", line 21, in <module>

from hyper.packages.hpack import Encoder, Decoder
ImportError: cannot import name Encoder

<details><summary>Test output</summary><br><pre>Traceback (most recent call last):

 "/workspace/healthcare/api-client/v1beta1/fhir/fhir_stores_test.py", line 60, in test_create_delete_fhir_store
fhir_stores.create_fhir_store(

 "/workspace/healthcare/api-client/v1beta1/fhir/fhir_stores.py", line 119, in create_fhir_store
response = request.execute()

 "/workspace/healthcare/api-client/v1beta1/fhir/.nox/py-3-8/lib/python3.8/site-packages/googleapiclient/_helpers.py", line 134, in positional_wrapper
return wrapped(*args, **kwargs)

 "/workspace/healthcare/api-client/v1beta1/fhir/.nox/py-3-8/lib/python3.8/site-packages/googleapiclient/http.py", line 900, in execute
resp, content = _retry_request(

 "/workspace/healthcare/api-client/v1beta1/fhir/.nox/py-3-8/lib/python3.8/site-packages/googleapiclient/http.py", line 177, in _retry_request
resp, content = http.request(uri, method, *args, **kwargs)

 "/workspace/healthcare/api-client/v1beta1/fhir/.nox/py-3-8/lib/python3.8/site-packages/google_auth_httplib2.py", line 189, in request
self.credentials.before_request(

 "/workspace/healthcare/api-client/v1beta1/fhir/.nox/py-3-8/lib/python3.8/site-packages/google/auth/credentials.py", line 133, in before_request
self.refresh(request)

 "/workspace/healthcare/api-client/v1beta1/fhir/.nox/py-3-8/lib/python3.8/site-packages/google/oauth2/service_account.py", line 361, in refresh
access_token, expiry, _ = _client.jwt_grant(request, self._token_uri, assertion)

 "/workspace/healthcare/api-client/v1beta1/fhir/.nox/py-3-8/lib/python3.8/site-packages/google/oauth2/_client.py", line 153, in jwt_grant
response_data = _token_endpoint_request(request, token_uri, body)

 "/workspace/healthcare/api-client/v1beta1/fhir/.nox/py-3-8/lib/python3.8/site-packages/google/oauth2/_client.py", line 111, in _token_endpoint_request
response_data = json.loads(response_body)

 "/usr/local/lib/python3.8/json/__init__.py", line 357, in loads
return _default_decoder.decode(s)

 "/usr/local/lib/python3.8/json/decoder.py", line 337, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())

 "/usr/local/lib/python3.8/json/decoder.py", line 355, in raw_decode
raise JSONDecodeError("Expecting value", s, err.value) from Nonejson.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)</pre></details>