1 files changed, 1 insertions, 1 deletions

diff --git a/src/mailman/testing/helpers.py b/src/mailman/testing/helpers.py
index 8fa4fbd2f..b05847b42 100644
--- a/src/mailman/testing/helpers.py
+++ b/src/mailman/testing/helpers.py
@@ -40,7 +40,6 @@ __all__ = [
 
 import os
 import json
-import mock
 import time
 import uuid
 import errno
@@ -67,6 +66,7 @@ from mailman.interfaces.styles import IStyleManager
 from mailman.interfaces.usermanager import IUserManager
 from mailman.runners.digest import DigestRunner
 from mailman.utilities.mailbox import Mailbox
+from unittest import mock
 from urllib.error import HTTPError
 from urllib.parse import urlencode
 from zope import event