diff -r 0171483b082f -r 54e943b28101 mercurial/context.py
--- a/mercurial/context.py	Wed Oct 09 22:59:38 2019 +0200
+++ b/mercurial/context.py	Sun Oct 06 23:36:51 2019 -0400
@@ -546,7 +546,7 @@
                 filesadded = None
         if filesadded is None:
             if compute_on_none:
-                filesadded = scmutil.computechangesetfilesadded(self)
+                filesadded = copies.computechangesetfilesadded(self)
             else:
                 filesadded = []
         return filesadded
@@ -565,7 +565,7 @@
                 filesremoved = None
         if filesremoved is None:
             if compute_on_none:
-                filesremoved = scmutil.computechangesetfilesremoved(self)
+                filesremoved = copies.computechangesetfilesremoved(self)
             else:
                 filesremoved = []
         return filesremoved