--- a/mercurial/hgweb/webcommands.py	Mon May 16 21:30:32 2016 +0000
+++ b/mercurial/hgweb/webcommands.py	Mon May 16 21:30:53 2016 +0000
@@ -139,7 +139,7 @@
             yield {"line": t,
                    "lineid": "l%d" % (lineno + 1),
                    "linenumber": "% 6d" % (lineno + 1),
-                   "parity": parity.next()}
+                   "parity": next(parity)}
 
     return tmpl("filerevision",
                 file=f,
@@ -278,7 +278,7 @@
             files = webutil.listfilediffs(tmpl, ctx.files(), n, web.maxfiles)
 
             yield tmpl('searchentry',
-                       parity=parity.next(),
+                       parity=next(parity),
                        changelogtag=showtags,
                        files=files,
                        **webutil.commonentry(web.repo, ctx))
@@ -375,7 +375,7 @@
                 break
 
             entry = webutil.changelistentry(web, web.repo[rev], tmpl)
-            entry['parity'] = parity.next()
+            entry['parity'] = next(parity)
             yield entry
 
     if shortlog:
@@ -527,7 +527,7 @@
 
             fctx = ctx.filectx(full)
             yield {"file": full,
-                   "parity": parity.next(),
+                   "parity": next(parity),
                    "basename": f,
                    "date": fctx.date(),
                    "size": fctx.size(),
@@ -545,7 +545,7 @@
                 h = v
 
             path = "%s%s" % (abspath, d)
-            yield {"parity": parity.next(),
+            yield {"parity": next(parity),
                    "path": path,
                    "emptydirs": "/".join(emptydirs),
                    "basename": d}
@@ -554,7 +554,7 @@
                 symrev=symrev,
                 path=abspath,
                 up=webutil.up(abspath),
-                upparity=parity.next(),
+                upparity=next(parity),
                 fentries=filelist,
                 dentries=dirlist,
                 archives=web.archivelist(hex(node)),
@@ -582,7 +582,7 @@
         if latestonly:
             t = t[:1]
         for k, n in t:
-            yield {"parity": parity.next(),
+            yield {"parity": next(parity),
                    "tag": k,
                    "date": web.repo[n].date(),
                    "node": hex(n)}
@@ -615,7 +615,7 @@
         if latestonly:
             t = i[:1]
         for k, n in t:
-            yield {"parity": parity.next(),
+            yield {"parity": next(parity),
                    "bookmark": k,
                    "date": web.repo[n].date(),
                    "node": hex(n)}
@@ -677,7 +677,7 @@
                 break
 
             yield tmpl("tagentry",
-                       parity=parity.next(),
+                       parity=next(parity),
                        tag=k,
                        node=hex(n),
                        date=web.repo[n].date())
@@ -688,7 +688,7 @@
         sortkey = lambda b: (web.repo[b[1]].rev(), b[0])
         marks = sorted(marks, key=sortkey, reverse=True)
         for k, n in marks[:10]:  # limit to 10 bookmarks
-            yield {'parity': parity.next(),
+            yield {'parity': next(parity),
                    'bookmark': k,
                    'date': web.repo[n].date(),
                    'node': hex(n)}
@@ -704,7 +704,7 @@
 
             l.append(tmpl(
                 'shortlogentry',
-                parity=parity.next(),
+                parity=next(parity),
                 **webutil.commonentry(web.repo, ctx)))
 
         l.reverse()
@@ -879,7 +879,7 @@
             if last != fnode:
                 last = fnode
 
-            yield {"parity": parity.next(),
+            yield {"parity": next(parity),
                    "node": f.hex(),
                    "rev": f.rev(),
                    "author": f.user(),
@@ -963,7 +963,7 @@
             iterfctx = fctx.filectx(i)
 
             l.append(dict(
-                parity=parity.next(),
+                parity=next(parity),
                 filerev=i,
                 file=f,
                 rename=webutil.renamelink(iterfctx),