1 files changed, 1 insertions, 2 deletions
diff --git a/tests/test_state.py b/tests/test_state.py
index 1d2019699d..83383d8872 100644
--- a/tests/test_state.py
+++ b/tests/test_state.py
@@ -13,8 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 from typing import List, Optional
-
-from mock import Mock
+from unittest.mock import Mock
 
 from twisted.internet import defer