1 files changed, 1 insertions, 2 deletions
diff --git a/tests/util/caches/test_descriptors.py b/tests/util/caches/test_descriptors.py
index e434e21aee..2d1f9360e0 100644
--- a/tests/util/caches/test_descriptors.py
+++ b/tests/util/caches/test_descriptors.py
@@ -15,8 +15,7 @@
 # limitations under the License.
 import logging
 from typing import Set
-
-import mock
+from unittest import mock
 
 from twisted.internet import defer, reactor