From 7474db1f0d5c1491f852cfea8217656fa866284f Mon Sep 17 00:00:00 2001
From: Steven Silvester <steven.silvester@ieee.org>
Date: Wed, 24 Dec 2014 19:42:12 -0600
Subject: [PATCH] Another fix for dummy Signal

---
 skimage/viewer/qt.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/skimage/viewer/qt.py b/skimage/viewer/qt.py
index 9a6537b3..b36c15dc 100644
--- a/skimage/viewer/qt.py
+++ b/skimage/viewer/qt.py
@@ -14,9 +14,11 @@ except ImportError:
             QWidget = object
 
         class QtCore(object):
-            def Signal(*args, **kwargs): pass
             Qt = object
 
+            def Signal(self, *args, **kwargs): 
+                pass
+
         QtWidgets = QtGui
 
         has_qt = False