diff -up python-xlib-0.31/test/test_unix_connect.py.mock python-xlib-0.31/test/test_unix_connect.py
--- python-xlib-0.31/test/test_unix_connect.py.mock	2021-07-02 04:30:09.000000000 -0600
+++ python-xlib-0.31/test/test_unix_connect.py	2022-01-11 22:06:31.771838501 -0700
@@ -6,7 +6,10 @@ import socket
 import sys
 import unittest
 
-from mock import patch
+try:
+    from unittest.mock import patch
+except ImportError:
+    from mock import patch
 
 from Xlib.support import unix_connect
 from Xlib.error import DisplayConnectionError, DisplayNameError