diff -r 81bef3c355c5 -r 003d1f174fe1 mercurial/patch.py
--- a/mercurial/patch.py	Tue Oct 30 16:54:25 2007 -0700
+++ b/mercurial/patch.py	Thu Nov 01 12:05:14 2007 +0100
@@ -249,7 +249,7 @@
     fuzz = False
     if cwd:
         args.append('-d %s' % util.shellquote(cwd))
-    fp = os.popen('%s %s -p%d < %s' % (patcher, ' '.join(args), strip,
+    fp = util.popen('%s %s -p%d < %s' % (patcher, ' '.join(args), strip,
                                        util.shellquote(patchname)))
 
     for line in fp: