问谷歌云外壳能运行Python3吗？

EN

ERROR: Python 3 and later is not compatible with the Google Cloud SDK.
Please use Python version 2.7.x.

If you have a compatible Python interpreter installed, you can use it by setting

the CLOUDSDK_PYTHON environment variable to point to it.

export CLOUDSDK_PYTHON=/usr/bin/python

ERROR    2018-10-01 04:36:24,384 wsgi.py:263]
Traceback (most recent call last):
  File "/google/google-cloud-sdk/platform/google_appengine/google/appengine/runtime/wsgi.py", line 240, in Handle
    handler = _config_handle.add_wsgi_middleware(self._LoadHandler())
  File "/google/google-cloud-sdk/platform/google_appengine/google/appengine/runtime/wsgi.py", line 299, in _LoadHandler
    handler, path, err = LoadObject(self._handler)
  File "/google/google-cloud-sdk/platform/google_appengine/google/appengine/runtime/wsgi.py", line 85, in LoadObject
    obj = __import__(path[0])
  File "/home/maherrj/credential-management-api/working/main.py", line 28, in <module>
    from oauth2client import client
  File "/home/maherrj/credential-management-api/working/lib/oauth2client/client.py", line 39, in <module>
    from oauth2client import transport
  File "/home/maherrj/credential-management-api/working/lib/oauth2client/transport.py", line 17, in <module>
    import httplib2
  File "/home/maherrj/credential-management-api/working/lib/httplib2/__init__.py", line 382
    print('%s:' % h, end=' ', file=self._fp)
                        ^
SyntaxError: invalid syntax