self = 
def test_ctor(self):
    zone = _Zone()


  rrs = self._make_one(


        "test.example.com", "CNAME", 3600, ["www.example.com"], zone
    )

tests/unit/test_resource_record_set.py:31:

tests/unit/test_resource_record_set.py:26: in _make_one

return self._get_target_class()(*args, **kw)

tests/unit/test_resource_record_set.py:21: in _get_target_class

from google.cloud.dns.resource_record_set import ResourceRecordSet

google/cloud/dns/init.py:32: in 

from google.cloud.dns.zone import Changes

"""Define API ManagedZones."""


import six

E   ModuleNotFoundError: No module named 'six'

google/cloud/dns/zone.py:17: ModuleNotFoundError