def execute()

in filter_aws.py [0:0]


  def execute(self, listing, response):
    """Apply filter.

    Args:
      listing: data returned from aws api.
      response: relevant data returned to caller.
    """
    if listing.service == 'iam' and listing.operation == 'ListPolicies':
      response['Policies'] = [
          policy for policy in response['Policies']
          if not policy['Arn'].startswith('arn:aws:iam::aws:')
      ]