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 == 'ec2' and listing.operation == 'DescribeRouteTables':
      response['RouteTables'] = [
          rt for rt in response['RouteTables']
          if not any(x['Main'] for x in rt['Associations'])
      ]