From fc74d22724b3b88c40fb52c3081e5004738f0664 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sat, 9 Jun 2018 13:49:33 +0530
Subject: [PATCH] Nicer error message when specifying a non-existent kitten

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

diff --git a/kittens/runner.py b/kittens/runner.py
index d507cc299..8f7b62742 100644
--- a/kittens/runner.py
+++ b/kittens/runner.py
@@ -84,7 +84,10 @@ def run_kitten(kitten, run_name='__main__'):
     import runpy
     kitten = resolved_kitten(kitten)
     set_debug(kitten)
-    runpy.run_module('kittens.{}.main'.format(kitten), run_name=run_name)
+    try:
+        runpy.run_module('kittens.{}.main'.format(kitten), run_name=run_name)
+    except ImportError:
+        raise SystemExit('No kitten named {}'.format(kitten))
 
 
 def all_kitten_names():