'Deletes a network/VPC.
:param      vpc: VPC to delete.
:type       vpc: :class:`.EC2Network`
:rtype:     ``bool``'

def ex_delete_network(self, vpc):

    params = {'Action': 'DeleteVpc', 'VpcId': vpc.id}
    res = self.connection.request(self.path, params=params).object
    return self._get_boolean(res)
