[py3-compat] Remove usage of dict.iteritems()

The slightly higher memory usage on py2 should be acceptable
and will make py3 compatibility easier

Author: bmispelon

runtests.py

@@ -1203,7 +1203,7 @@ def do_GET(self):
                 prev_link = '<http://{}{}?{}>; rel="prev"'.format(
                     self.headers['Host'],
                     path,
-                    '&'.join(('='.join((str(k), str(v))) for k, v in prevparams.iteritems()))
+                    '&'.join(('='.join((str(k), str(v))) for k, v in prevparams.items()))
                 )
                 links.append(prev_link)
             if length >= end:
@@ -1212,7 +1212,7 @@ def do_GET(self):
                 next_link = '<http://{}{}?{}>; rel="next"'.format(
                     self.headers['Host'],
                     path,
-                    '&'.join(('='.join((str(k), str(v))) for k, v in nextparams.iteritems()))
+                    '&'.join(('='.join((str(k), str(v))) for k, v in nextparams.items()))
                 )
                 links.append(next_link)
             if len(links) > 0:

tracext/github/__init__.py

@@ -698,7 +698,7 @@ def _fetch_groups(self):
 
         # Return data
         data = collections.defaultdict(list)
-        for tname, tmembers in members.iteritems():
+        for tname, tmembers in members.items():
             self.log.debug("Team members for group %r: %r", tname, tmembers) # pylint: disable=no-member
             for member in tmembers:
                 data[member].append(tname)