X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/acc7d4a40ae78e866c983624ec36b7bae3b918a9..b25916b93d720f80b5bdf16f018d83c13c6c3001:/sdk/python/tests/test_collections.py

diff --git a/sdk/python/tests/test_collections.py b/sdk/python/tests/test_collections.py
index a397f44fa3..5e1a055d48 100644
--- a/sdk/python/tests/test_collections.py
+++ b/sdk/python/tests/test_collections.py
@@ -712,7 +712,7 @@ class CollectionWriterTestCase(unittest.TestCase, CollectionTestMixin):
     def test_write_three_replicas(self):
         client = mock.MagicMock(name='api_client')
         with self.mock_keep(
-                None, 500, 500, 500, 200, 200, 200,
+                "", 500, 500, 500, 200, 200, 200,
                 **{'x-keep-replicas-stored': 1}) as keepmock:
             self.mock_keep_services(client, status=200, service_type='disk', count=6)
             writer = self.foo_writer(api_client=client, replication=3)