Use mock from the stdlib. (#9772)

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/handlers/test_e2e_keys.py b/tests/handlers/test_e2e_keys.py

index 5e86c5e56b..6915ac0205 100644
--- a/tests/handlers/test_e2e_keys.py
+++ b/tests/handlers/test_e2e_keys.py
@@ -14,7 +14,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-import mock
+from unittest import mock
 
 from signedjson import key as key, sign as sign