From 24a858848573331e9948672691a5b06a8c7f6697 Mon Sep 17 00:00:00 2001
From: Florian Festi <ffesti@redhat.com>
Date: Wed, 12 Oct 2016 22:48:00 +0200
Subject: [PATCH] gears.py: allow zero spokes

---
 boxes/gears.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/boxes/gears.py b/boxes/gears.py
index 39c115a..1eb5b1d 100644
--- a/boxes/gears.py
+++ b/boxes/gears.py
@@ -428,6 +428,9 @@ class Gears():
             - if no room (collision) then spokes not drawn
         """
 
+        if not spokes:
+            return []
+
         # Spokes
         collision = False # assume we draw spokes
         messages = []     # messages to send back about changes.