[django/django] d595b6: (Re-)moved some imports

[GitHub]

Branch: refs/heads/master
Home: https://github.com/django/django
Commit: d595b61acae91e6111ec26cb0a4a1b1a9f4eb0d5
https://github.com/django/django/commit/d595b61acae91e6111ec26cb0a4a1b1a9f4eb0d5
Author: Claude Paroz <cla...@2xlibre.net>
Date: 2013-05-21 (Tue, 21 May 2013)

Changed paths:
M django/contrib/contenttypes/models.py
M django/db/backends/oracle/creation.py

Log Message:
-----------
(Re-)moved some imports