diff -r 37b7581e5737 -r a57c938e7ac8 mercurial/hgweb/hgwebdir_mod.py
--- a/mercurial/hgweb/hgwebdir_mod.py	Mon Oct 02 19:25:11 2017 -0700
+++ b/mercurial/hgweb/hgwebdir_mod.py	Fri Sep 29 15:48:34 2017 +0000
@@ -320,7 +320,7 @@
             for typ, spec in hgweb_mod.archivespecs.iteritems():
                 if typ in allowed or ui.configbool("web", "allow" + typ,
                                                     untrusted=True):
-                    archives.append({"type" : typ, "extension": spec[2],
+                    archives.append({"type": typ, "extension": spec[2],
                                      "node": nodeid, "url": url})
             return archives