diff -r fe79f86099ae -r 3dea4eae4eeb mercurial/revlog.py
--- a/mercurial/revlog.py	Fri Dec 18 06:33:48 2015 +0000
+++ b/mercurial/revlog.py	Mon Dec 21 14:52:18 2015 -0600
@@ -1163,7 +1163,6 @@
         return mdiff.textdiff(self.revision(rev1),
                               self.revision(rev2))
 
-    @util.nogc
     def revision(self, nodeorrev, _df=None):
         """return an uncompressed revision of a given node or revision
         number.