From 1bac109e4dc8e256c32be83532dab89a8aecd4b8 Mon Sep 17 00:00:00 2001
From: Hugo Osvaldo Barrera <hugo@barrera.io>
Date: Fri, 11 May 2018 14:39:31 -0300
Subject: [PATCH] Don't crash if no arguments are provided via CLI

---
 barcode/pybarcode.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/barcode/pybarcode.py b/barcode/pybarcode.py
index 31d8853..a70e1a7 100644
--- a/barcode/pybarcode.py
+++ b/barcode/pybarcode.py
@@ -111,7 +111,10 @@ def main():
     create_parser.set_defaults(type='svg', compress=False, func=create_barcode,
                                barcode='code39', text=None)
     args = parser.parse_args()
-    args.func(args, parser)
+    try:
+        args.func(args, parser)
+    except AttributeError:
+        print("Use --help to see help")
 
 
 if __name__ == '__main__':