--- a/mercurial/commands.py	Fri Jan 15 01:20:47 2021 +0100
+++ b/mercurial/commands.py	Mon May 18 17:29:53 2020 -0400
@@ -6082,7 +6082,7 @@
             if hint:
                 ui.warn(hint)
 
-    unresolvedf = list(ms.unresolved())
+    unresolvedf = ms.unresolvedcount()
     if not unresolvedf:
         ui.status(_(b'(no more unresolved files)\n'))
         cmdutil.checkafterresolved(repo)