From 86c2c1a37c18e260bee8e399f67b997b53acedad Mon Sep 17 00:00:00 2001
From: Tony S Yu <tsyu80@gmail.com>
Date: Thu, 30 May 2013 23:38:26 -0500
Subject: [PATCH] Second attempt to get Travis to pass

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

diff --git a/skimage/viewer/qt/QtCore.py b/skimage/viewer/qt/QtCore.py
index e0def041..e0aa923a 100644
--- a/skimage/viewer/qt/QtCore.py
+++ b/skimage/viewer/qt/QtCore.py
@@ -7,4 +7,5 @@ elif qt_api == 'pyqt':
 else:
     # Mock objects
     Qt = None
-    pyqtSignal = None
+    def pyqtSignal(*args, **kwargs):
+        pass