From 4d3095ab91ab6c95ba169cbe8f4f15792e94bd57 Mon Sep 17 00:00:00 2001
From: Michael Droettboom <mdboom@gmail.com>
Date: Tue, 15 Jan 2019 10:09:09 -0500
Subject: [PATCH] Make bin/pyodide display help rather than crash

---
 pyodide_build/__main__.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
 mode change 100644 => 100755 pyodide_build/__main__.py

diff --git a/pyodide_build/__main__.py b/pyodide_build/__main__.py
old mode 100644
new mode 100755
index a55a5173a..ab8ad9543
--- a/pyodide_build/__main__.py
+++ b/pyodide_build/__main__.py
@@ -19,8 +19,11 @@ def main():
         parser.set_defaults(func=module.main)
 
     args = main_parser.parse_args()
-    # run the selected action
-    args.func(args)
+    if hasattr(args, 'func'):
+        # run the selected action
+        args.func(args)
+    else:
+        main_parser.print_help()
 
 
 if __name__ == '__main__':