--- a/mercurial/windows.py	Sat Jul 23 12:29:52 2011 +0200
+++ b/mercurial/windows.py	Mon Jul 25 15:03:02 2011 +0300
@@ -286,4 +286,11 @@
 
 from win32 import *
 
+class cachestat(object):
+    def __init__(self, path):
+        pass
+
+    def cacheable(self):
+        return False
+
 expandglobs = True