not compatible with google-api-python-client==1.12.2

[youngtae-samsung]

after downgrade google-api-python-client==1.12.1. it works.

gcredstash --project ### --location-id ###--keyring-id ### --key-id ### get ###

Traceback (most recent call last):
  File "/usr/local/bin/gcredstash", line 11, in <module>
    sys.exit(main())
  File "/usr/local/lib/python2.7/dist-packages/gcredstash/main.py", line 51, in main
    kms_client = googleapiclient.discovery.build('cloudkms', 'v1')
  File "/usr/local/lib/python2.7/dist-packages/googleapiclient/_helpers.py", line 134, in positional_wrapper
    return wrapped(*args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/googleapiclient/discovery.py", line 300, in build
    discovery_http.close()
AttributeError: 'Http' object has no attribute 'close'