From e9ce0f60b951ddfe85f6d883a3c3adc78e115e06 Mon Sep 17 00:00:00 2001
From: Almar <almar.klein@gmail.com>
Date: Wed, 27 Mar 2013 21:12:42 +0100
Subject: [PATCH] Create dummy WindowsError that is an actual Exception instead
 of None. The previous solution prevented installation on py3.3 and OSX
 10.6.1.

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

diff --git a/skimage/_build.py b/skimage/_build.py
index 771b04b9..38239e4b 100644
--- a/skimage/_build.py
+++ b/skimage/_build.py
@@ -8,7 +8,8 @@ import subprocess
 try:
     WindowsError
 except NameError:
-    WindowsError = None
+    class WindowsError(Exception):
+        pass
 
 
 def cython(pyx_files, working_path=''):