[2298_1] use sorted() instead of using sort() redundantly

src/bin/stats/stats_httpd.py.in

@@ -112,9 +112,7 @@ def item_name_list(element, identifier):
     if type(elem) is dict:
         if ident:
             ident = ident + '/'
-        keys = list(elem.keys())
-        keys.sort()
-        for key in keys:
+        for key in sorted(elem.keys()):
             idstr = '%s%s' % (ident, key)
             ret += item_name_list(element, idstr)
     elif type(elem) is list: