Image upload example returns 404

[yanagiragi]

Log:

/usr/local/lib/python2.7/dist-packages/OpenSSL/crypto.py:12: CryptographyDeprecationWarning: Python 2 is no longer supported by the Python core team. Support for it is now deprecated in cryptography, and will be removed in a future release.
  from cryptography import x509
Traceback (most recent call last):
  File "games-config.py", line 865, in <module>
    main(sys.argv)
  File "games-config.py", line 183, in main
    api.image(flags)
  File "games-config.py", line 459, in image
    rsp = self.resumable_upload(req)
  File "games-config.py", line 478, in resumable_upload
    status, response = req.next_chunk()
  File "/home/jimhsu/.local/lib/python2.7/site-packages/googleapiclient/_helpers.py", line 134, in positional_wrapper
    return wrapped(*args, **kwargs)
  File "/home/jimhsu/.local/lib/python2.7/site-packages/googleapiclient/http.py", line 991, in next_chunk
    raise ResumableUploadError(resp, content)