--- a/mercurial/context.py	Thu May 25 17:06:32 2017 -0700
+++ b/mercurial/context.py	Thu May 25 17:20:43 2017 -0700
@@ -551,7 +551,7 @@
     def _manifest(self):
         return self._manifestctx.read()
 
-    @propertycache
+    @property
     def _manifestctx(self):
         return self._repo.manifestlog[self._changeset.manifest]
 
@@ -2314,7 +2314,7 @@
     def manifestnode(self):
         return self._manifestnode
 
-    @propertycache
+    @property
     def _manifestctx(self):
         return self._repo.manifestlog[self._manifestnode]