def list_sizes(self, location=None):
        return [NodeSize(
            't1.micro',
            'none',
            '512',
            0, 0, 0, self)
        ]
Test fetch of no contacts.
dataset/ETHPy150Open apache/libcloud/libcloud/compute/drivers/vcl.py/VCLNodeDriver.list_sizes--crossover with--dataset/ETHPy150Open viewfinderco/viewfinder/backend/www/test/fetch_contacts_test.py/FetchContactsTestCase.testNoContacts