Aws-cli: Não é possível instalar no Mac

Oi,

Passei muito tempo instalando o awscli para mac e falhei. Como faço para fazer isso?
Este é o erro que recebo quando tento executá-lo.

huilgolr$ aws
Traceback (most recent call last):
  File "/usr/local/bin/aws", line 27, in <module>
    sys.exit(main())
  File "/usr/local/bin/aws", line 23, in main
    return awscli.clidriver.main()
  File "/usr/local/aws/lib/python2.7/site-packages/awscli/clidriver.py", line 58, in main
    driver = create_clidriver()
  File "/usr/local/aws/lib/python2.7/site-packages/awscli/clidriver.py", line 69, in create_clidriver
    event_hooks=emitter)
  File "/usr/local/aws/lib/python2.7/site-packages/awscli/plugin.py", line 44, in load_plugins
    modules = _import_plugins(plugin_mapping)
  File "/usr/local/aws/lib/python2.7/site-packages/awscli/plugin.py", line 58, in _import_plugins
    plugins.append(__import__(path))
ImportError: No module named botocore_amazon