From ed147bbace79e536663d8e589a8535a305bd3530 Mon Sep 17 00:00:00 2001
From: Cas Cremers <cas.cremers@gmail.com>
Date: Fri, 31 Dec 2010 15:42:01 +0100
Subject: [PATCH] Bugfix on empty input.

---
 gui/Scyther/Scyther.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gui/Scyther/Scyther.py b/gui/Scyther/Scyther.py
index 24441dd..24f8d3c 100755
--- a/gui/Scyther/Scyther.py
+++ b/gui/Scyther/Scyther.py
@@ -218,6 +218,8 @@ class Scyther(object):
 
         if (spdl == None) or (len(spdl) == 0):
             spdl = self.spdl
+            if spdl == None:
+                spdl = ""
             self.filenames = []
 
         for sl in spdl.splitlines():