#12353: argparse now correctly handles null argument values.
Patch by Torsten Landschoff.
diff --git a/Lib/test/test_argparse.py b/Lib/test/test_argparse.py
index 852991c..1a72a13 100644
--- a/Lib/test/test_argparse.py
+++ b/Lib/test/test_argparse.py
@@ -1371,6 +1371,7 @@
('X @hello', NS(a=None, x='X', y=['hello world!'])),
('-a B @recursive Y Z', NS(a='A', x='hello world!', y=['Y', 'Z'])),
('X @recursive Z -a B', NS(a='B', x='X', y=['hello world!', 'Z'])),
+ (["-a", "", "X", "Y"], NS(a='', x='X', y=['Y'])),
]