Update pylint-django to 2.0.4

[pyup-bot]

This PR updates pylint-django from 0.11 to 2.0.4.

Changelog

2.0.3

---------------------------

- Fixing compatability between ranges of astroid (2.0.4 -> 2.1) and pylint (2.1.1 -> 2.2)
`201 <https://github.com/PyCQA/pylint-django/issues/201>` and `202 <https://github.com/PyCQA/pylint-django/issues/202>`

2.0.2

---------------------------

- Suppress false-positive no-self-argument in factory.post_generation. Fix
`190 <https://github.com/PyCQA/pylint-django/issues/190>`_ (Federico Bond)

2.0.1

---------------------------

- Enable testing with Django 2.1
- Add test for Model.objects.get_or_create(). Close
`156 <https://github.com/PyCQA/pylint-django/issues/156>`__
- Add test for objects.exclude(). Close
`177 <https://github.com/PyCQA/pylint-django/issues/177>`__
- Fix Instance of 'Model' has no 'id' member (no-member),
fix Class 'UserCreationForm' has no 'declared_fields' member. Close
`184 <https://github.com/PyCQA/pylint-django/issues/184>`__
- Fix for Instance of 'ManyToManyField' has no 'add' member. Close
`163 <https://github.com/PyCQA/pylint-django/issues/163>`__
- Add test & fix for unused arguments on class based views

2.0

--------------------------

- Requires pylint >= 2.0 which doesn't support Python 2 anymore!
- Add modelform-uses-unicode check to flag dangerous use of the exclude
attribute in ModelForm.Meta (Federico Bond).

0.11.1

--------------------------------------------------------------

- Enable test case for ``urlpatterns`` variable which was previously disabled
- Disable ``unused-argument`` message for the ``request`` argument passed to
view functions. Fix
`155 <https://github.com/PyCQA/pylint-django/issues/155>`__
- Add transformations for ``model_utils`` managers instead of special-casing them.
Fix
`160 <https://github.com/PyCQA/pylint-django/issues/160>`__

Links

• PyPI: https://pypi.org/project/pylint-django
• Changelog: https://pyup.io/changelogs/pylint-django/
• Repo: https://github.com/PyCQA/pylint-django

[pyup-bot]

Closing this in favor of #45