[django/django] 1c50d6: Fixed problem introduced with #refs 13711.

[GitHub]

Branch: refs/heads/master
Home: https://github.com/django/django
Commit: 1c50d6ae2bee31ccf605066186d4d48aaf2de7ea
https://github.com/django/django/commit/1c50d6ae2bee31ccf605066186d4d48aaf2de7ea
Author: Anubhav Joshi <anubh...@gmail.com>
Date: 2014-06-23 (Mon, 23 Jun 2014)

Changed paths:
M django/db/backends/__init__.py
M django/db/backends/oracle/base.py
M django/db/models/base.py
M tests/invalid_models_tests/test_models.py

Log Message:
-----------
Fixed problem introduced with #refs 13711.