Changed several hardcoding of `dict` method calls in `django.utils.datastructures.py` to use `super` instead.
Changed several hardcoding of `dict` method calls in `django.utils.datastructures.py` to use `super` instead.

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extra : convert_revision : svn%3Abcc190cf-cafb-0310-a4f2-bffc1f526a37/django/trunk%406712

Belgabor/django,Belgabor/django,Belgabor/django