ERROR: test_set_explicit_None_wo_env_var_set (gcloud.datastore.test___init__.Test_set_default_dataset_id)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/tseaver/projects/agendaless/Google/src/gcloud-python/gcloud/datastore/test___init__.py", line 71, in test_set_explicit_None_wo_env_var_set
    self._callFUT(None)
  File "/home/tseaver/projects/agendaless/Google/src/gcloud-python/gcloud/datastore/test___init__.py", line 31, in _callFUT
    return set_default_dataset_id(dataset_id=dataset_id)
  File "/home/tseaver/projects/agendaless/Google/src/gcloud-python/gcloud/datastore/__init__.py", line 91, in set_default_dataset_id
    dataset_id = _implicit_environ.compute_engine_id()
  File "/home/tseaver/projects/agendaless/Google/src/gcloud-python/gcloud/datastore/_implicit_environ.py", line 73, in compute_engine_id
    response, content = http.request(uri, method='GET', headers=headers)
  File "/home/tseaver/projects/agendaless/Google/src/gcloud-python/.tox/cover/lib/python2.7/site-packages/httplib2/__init__.py", line 1593, in request
    (response, content) = self._request(conn, authority, uri, request_uri, method, body, headers, redirections, cachekey)
  File "/home/tseaver/projects/agendaless/Google/src/gcloud-python/.tox/cover/lib/python2.7/site-packages/httplib2/__init__.py", line 1335, in _request
    (response, content) = self._conn_request(conn, request_uri, method, body, headers)
  File "/home/tseaver/projects/agendaless/Google/src/gcloud-python/.tox/cover/lib/python2.7/site-packages/httplib2/__init__.py", line 1291, in _conn_request
    response = conn.getresponse()
  File "/opt/Python-2.7.9/lib/python2.7/httplib.py", line 1061, in getresponse
    raise ResponseNotReady()