Use .items instead of .iteritems

jingming · jingming · commit 57af68ba8554 · 2016-06-01T14:36:52.000-07:00
diff --git a/twilio/serialize.py b/twilio/serialize.py
@@ -39,7 +39,7 @@ def prefixed_collapsible_map(m, prefix):
         return {}
 
     def flatten_dict(d, result={}, prv_keys=[]):
-        for k, v in d.iteritems():
+        for k, v in d.items():
             if isinstance(v, dict):
                 flatten_dict(v, result, prv_keys + [k])
             else:
