我试图在本地的appengine中运行django，我得到了这个错误 - AssertionError: No api proxy found for service "logservice"
这是什么意思？我在设置中遗漏了什么吗？
我通过以下命令运行它：
PYTHONPATH=/lib/python2.7/site-packages/ dev_appserver.py app.yaml
完整的堆栈跟踪 -
Traceback (most recent call last):
File "/Users/Dev/google-cloud-sdk/platform/google_appengine/lib/cherrypy/cherrypy/wsgiserver/wsgiserver2.py", line 1302, in communicate
req.respond()
File "/Users/Dev/google-cloud-sdk/platform/google_appengine/lib/cherrypy/cherrypy/wsgiserver/wsgiserver2.py", line 831, in respond
self.server.gateway(self).respond()
File "/Users/Dev/google-cloud-sdk/platform/google_appengine/lib/cherrypy/cherrypy/wsgiserver/wsgiserver2.py", line 2115, in respond
response = self.req.server.wsgi_app(self.env, self.start_response)
File "/Users/Dev/google-cloud-sdk/platform/google_appengine/google/appengine/tools/devappserver2/wsgi_server.py", line 287, in __call__
return app(environ, start_response)
File "/Users/Dev/google-cloud-sdk/platform/google_appengine/google/appengine/tools/devappserver2/request_rewriter.py", line 314, in _rewriter_middleware
response_body = iter(application(environ, wrapped_start_response))
File "/Users/Dev/google-cloud-sdk/platform/google_appengine/google/appengine/tools/devappserver2/python/runtime/request_handler.py", line 165, in __call__
self._flush_logs(response.get('logs', []))
File "/Users/Dev/google-cloud-sdk/platform/google_appengine/google/appengine/tools/devappserver2/python/runtime/request_handler.py", line 303, in _flush_logs
apiproxy_stub_map.MakeSyncCall('logservice', 'Flush', request, response)
File "/Users/Dev/google-cloud-sdk/platform/google_appengine/google/appengine/api/apiproxy_stub_map.py", line 95, in MakeSyncCall
return stubmap.MakeSyncCall(service, call, request, response)
File "/Users/Dev/google-cloud-sdk/platform/google_appengine/google/appengine/api/apiproxy_stub_map.py", line 322, in MakeSyncCall
assert stub, 'No api proxy found for service "%s"' % service
AssertionError: No api proxy found for service "logservice"