#9424: Replace deprecated assert* methods in the Python test suite.
diff --git a/Lib/test/test_posix.py b/Lib/test/test_posix.py
index 902d16a..f9f9fce 100644
--- a/Lib/test/test_posix.py
+++ b/Lib/test/test_posix.py
@@ -105,7 +105,7 @@
             try:
                 posix.initgroups(name, 13)
             except OSError as e:
-                self.assertEquals(e.errno, errno.EPERM)
+                self.assertEqual(e.errno, errno.EPERM)
             else:
                 self.fail("Expected OSError to be raised by initgroups")