Remove unused imports in tests (GH-14518)

diff --git a/Lib/test/test_cprofile.py b/Lib/test/test_cprofile.py
index 5c70037..4ec7698 100644
--- a/Lib/test/test_cprofile.py
+++ b/Lib/test/test_cprofile.py
@@ -6,7 +6,7 @@
 # rip off all interesting stuff from test_profile
 import cProfile
 from test.test_profile import ProfileTest, regenerate_expected_output
-from test.support.script_helper import assert_python_failure, assert_python_ok
+from test.support.script_helper import assert_python_failure
 from test import support