diff -up schema-0.7.5/test_schema.py.mock schema-0.7.5/test_schema.py
--- schema-0.7.5/test_schema.py.mock	2021-12-01 13:42:14.000000000 -0700
+++ schema-0.7.5/test_schema.py	2022-02-10 20:13:34.264048653 -0700
@@ -10,7 +10,7 @@ from collections import defaultdict, nam
 from functools import partial
 from operator import methodcaller
 
-from mock import Mock
+from unittest.mock import Mock
 from pytest import mark, raises
 
 from schema import (