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 == 'DescribeSubnets':
response['Subnets'] = [net for net in response['Subnets']
if not net['DefaultForAz']]