diff --git a/libcxx/utils/libcxx/test/features.py b/libcxx/utils/libcxx/test/features.py
--- a/libcxx/utils/libcxx/test/features.py
+++ b/libcxx/utils/libcxx/test/features.py
@@ -195,6 +195,9 @@
   # Using the quit command here means that gdb itself exits, not just
   # the "python <...>" command.
   test_src = """\
+import sys
+if sys.version_info.major < 3:
+  sys.exit(1)
 try:
   gdb.Breakpoint(\"main\").commands=\"foo\"
 except AttributeError: