diff -r 4237d07fad2c -r 9482498b96b0 mercurial/hgweb/webcommands.py
--- a/mercurial/hgweb/webcommands.py	Tue Apr 03 23:33:54 2018 +0900
+++ b/mercurial/hgweb/webcommands.py	Tue Apr 03 23:34:55 2018 +0900
@@ -296,8 +296,7 @@
             count += 1
             n = ctx.node()
             showtags = webutil.showtag(web.repo, 'changelogtag', n)
-            files = webutil.listfilediffs(web.tmpl, ctx.files(), n,
-                                          web.maxfiles)
+            files = webutil.listfilediffs(ctx.files(), n, web.maxfiles)
 
             lm = webutil.commonentry(web.repo, ctx)
             lm.update({