From 42b330e5629b25db45e7a0f3f08bdb21e608b106 Mon Sep 17 00:00:00 2001
From: Steven Silvester <steven.silvester@ieee.org>
Date: Wed, 24 Dec 2014 21:40:33 -0600
Subject: [PATCH] Add QWidget to the mock Qt

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

diff --git a/skimage/viewer/qt.py b/skimage/viewer/qt.py
index e3880f55..1166b3b6 100644
--- a/skimage/viewer/qt.py
+++ b/skimage/viewer/qt.py
@@ -23,6 +23,8 @@ except ImportError:
             def Signal(self, *args, **kwargs): 
                 pass
 
+            QWidget = object
+
         QtCore = QtWidgets = QtCore_cls()
 
         has_qt = False