From 3e3ead7d9eb05c2fd713d83510cf08b46cf21f15 Mon Sep 17 00:00:00 2001
From: Tony S Yu <tsyu80@gmail.com>
Date: Thu, 30 May 2013 23:14:30 -0500
Subject: [PATCH] Add mock pyqtSignal to try to get Travis to build

---
 skimage/viewer/qt/QtCore.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/skimage/viewer/qt/QtCore.py b/skimage/viewer/qt/QtCore.py
index 897b8760..e0def041 100644
--- a/skimage/viewer/qt/QtCore.py
+++ b/skimage/viewer/qt/QtCore.py
@@ -7,3 +7,4 @@ elif qt_api == 'pyqt':
 else:
     # Mock objects
     Qt = None
+    pyqtSignal = None