code: def _convert_key_to_str(key):
      '''
      Stolen completely from boto.providers
      '''
      # IMPORTANT: on PY2, the secret key must be str and not unicode to work
      # properly with hmac.new (see http://bugs.python.org/issue5285)
      #
      # pylint: disable=incompatible-py3-code,undefined-variable
      return salt.utils.data.encode(key) \
          if six.PY2 and isinstance(key, unicode) \
          else kef _convert_key_to_str(key):
      '''
      Stolen completely from boto.providers
      '''
      # IMPORTANT: on PY2, the secret key must be str and not unicode to work
      # properly with hmac.new (see http://bugs.python.org/issue5285)
      #
      # pylint: disable=incompatible-py3-code,undefined-variable
      return salt.utils.data.encode(key) \
          if six.PY2 and isinstance(key, unicode) \
          else key
docs: Stolen completely from boto.providers