tests fail python 3.5

[brianmay]

As far as I can tell your CI tests don't do Python 3.5 yet.

Looks like the error generated from python has changed.

=================================== FAILURES ===================================
____ TestUserSetter.test_calling_user_fails_when_attribute_error_is_raised _____
tests/test_request.py:269: in test_calling_user_fails_when_attribute_error_is_raised
    self.assertEqual(str(error), "'module' object has no attribute 'MISSPELLED_NAME_THAT_DOESNT_EXIST'")
E   AssertionError: "module 'rest_framework' has no attribute 'MISSPELLED_NAME_THAT_DOESNT_EXIST'" != "'module' object has no attribute 'MISSPELLED_NAME_THAT_DOESNT_EXIST'"
E   - module 'rest_framework' has no attribute 'MISSPELLED_NAME_THAT_DOESNT_EXIST'
E   ?       - ^ ^ -----------
E   + 'module' object has no attribute 'MISSPELLED_NAME_THAT_DOESNT_EXIST'
E   ? +       ^^^^ ^
========= 1 failed, 683 passed, 52 skipped, 2 warnings in 4.09 seconds =========

[xordoquy]

Thanks for reporting. Will run too on my local box to double check that.