From c3ade4416febecb040513a901495f4b61cc08ba9 Mon Sep 17 00:00:00 2001
From: Steven Silvester <steven.silvester@ieee.org>
Date: Wed, 24 Dec 2014 20:55:11 -0600
Subject: [PATCH] Instantiate QtCore dummy class

---
 skimage/viewer/qt.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/skimage/viewer/qt.py b/skimage/viewer/qt.py
index b36c15dc..1d26fbcf 100644
--- a/skimage/viewer/qt.py
+++ b/skimage/viewer/qt.py
@@ -13,12 +13,13 @@ except ImportError:
             QDialog = object
             QWidget = object
 
-        class QtCore(object):
+        class QtCore_cls(object):
             Qt = object
 
             def Signal(self, *args, **kwargs): 
                 pass
 
+        QtCore = QtCore_cls()
         QtWidgets = QtGui
 
         has_qt = False