Fix sys.flags to properly expose bytes_warning.
Closes issue #2790.
diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
index 8befe75..975795a 100644
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -357,7 +357,7 @@
attrs = ("debug", "py3k_warning", "division_warning", "division_new",
"inspect", "interactive", "optimize", "dont_write_bytecode",
"no_site", "ignore_environment", "tabcheck", "verbose",
- "unicode")
+ "unicode", "bytes_warning")
for attr in attrs:
self.assert_(hasattr(sys.flags, attr), attr)
self.assertEqual(type(getattr(sys.flags, attr)), int, attr)