chore(deps): update dependency google-cloud-ndb to v1.7.1 (#4965)
chore(deps): update dependency google-cloud-ndb to v1.7.1 (#4965)


GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples