Return after giving help in make_dist.py

diff --git a/make_dist.py b/make_dist.py
index 2ee7fa7..f8e0022 100755 (executable)
--- a/make_dist.py
+++ b/make_dist.py
@@ -215,6 +215,7 @@ def main():
         if sys.argv[1] in ('--help', '-h'):
             print('make_dist.py [releasename [py-ver1 [py-ver2...]]]')
             print('  e.g.: make_dist.py featuretest 3.7')
+            return 2
         release = sys.argv[1].replace('-', '_')
     else:
         release = check_output(['git', 'log', '--pretty=format:%h', '-n', '1'],