[merge][#277048] don't use iteritems on registries

[Bundle Buggy]

Bundle Buggy has detected this merge request.

For details, see: 
http://bundlebuggy.aaronbentley.com/project/bzr/request/%3Ce01316480812081657n53c39a96ge77b7416775f1746%40mail.gmail.com%3E
Project: Bazaar