diff -r 8e0327dae3f4 -r a9c71d578a1c mercurial/util.py
--- a/mercurial/util.py	Fri Aug 12 11:30:17 2016 +0900
+++ b/mercurial/util.py	Fri Aug 12 11:35:17 2016 +0900
@@ -46,11 +46,13 @@
     encoding,
     error,
     i18n,
-    osutil,
     parsers,
+    policy,
     pycompat,
 )
 
+osutil = policy.importmod(r'osutil')
+
 b85decode = base85.b85decode
 b85encode = base85.b85encode