From a5249a5f02082036d018b2f9649f015926c19507 Mon Sep 17 00:00:00 2001
From: Darko Poljak <darko.poljak@gmail.com>
Date: Sun, 3 Apr 2016 21:58:19 +0200
Subject: [PATCH] Fix error when called without args.

---
 scripts/ctt | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/scripts/ctt b/scripts/ctt
index b23dcc1..8dd8292 100755
--- a/scripts/ctt
+++ b/scripts/ctt
@@ -92,8 +92,10 @@ def parse_argv(argv, version):
     log.debug(args)
 
     try:
-        args.func(args)
-
+        if hasattr(args, "func"):
+            args.func(args)
+        else:
+            parser['main'].print_help()
     except ctt.Error as e:
         log.error(e)
         sys.exit(1)