Update factory_boy to 3.1.0

[pyup-bot]

This PR updates factory_boy from 2.11.1 to 3.1.0.

Changelog

3.1.0

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

*New:*

 - Allow all types of declarations in :class:`factory.Faker` calls - enables references to other faker-defined attributes.

3.0.1

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

*Bugfix:*

 - :issue:`769`: Fix ``import factory; factory.django.DjangoModelFactory`` and similar calls.

3.0.0

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

Breaking changes
""""""""""""""""

The following aliases were removed:

+------------------------------------------------+---------------------------------------------------+
| Broken alias                                   | New import                                        |
+================================================+===================================================+
| ``from factory import DjangoModelFactory``     | ``from factory.django import DjangoModelFactory`` |
+------------------------------------------------+---------------------------------------------------+
| ``from factory import MogoFactory``            | ``from factory.mogo import MogoFactory``          |
+------------------------------------------------+---------------------------------------------------+
| ``from factory.fuzzy import get_random_state`` | ``from factory.random import get_random_state``   |
+------------------------------------------------+---------------------------------------------------+
| ``from factory.fuzzy import set_random_state`` | ``from factory.random import set_random_state``   |
+------------------------------------------------+---------------------------------------------------+
| ``from factory.fuzzy import reseed_random``    | ``from factory.random import reseed_random``      |
+------------------------------------------------+---------------------------------------------------+

*Removed:*

 - Drop support for Python 2 and 3.4. These versions `are not maintained anymore <https://devguide.python.org/devcycle/end-of-life-branches>`__.
 - Drop support for Django 2.0 and 2.1. These versions `are not maintained anymore <https://www.djangoproject.com/download/supported-versions>`__.
 - Remove deprecated ``force_flush`` from ``SQLAlchemyModelFactory`` options. Use
   ``sqlalchemy_session_persistence = "flush"`` instead.
 - Drop deprecated ``attributes()`` from :class:`~factory.Factory` subclasses; use
   ``factory.make_factory(dict, FactoryClass._meta.pre_declarations)`` instead.
 - Drop deprecated ``declarations()`` from :class:`~factory.Factory` subclasses; use ``FactoryClass._meta.pre_declarations`` instead.
 - Drop ``factory.compat`` module.

*New:*

 - Add support for Python 3.8
 - Add support for Django 2.2 and 3.0
 - Report misconfiguration when a :py:class:`~factory.Factory` is used as the :py:attr:`~factory.Factory.model` for another :py:class:`~factory.Factory`.
 - Allow configuring the color palette of :py:class:`~factory.django.ImageField`.
 - :py:meth:`get_random_state()` now represents the state of Faker and ``factory_boy`` fuzzy attributes.
 - Add SQLAlchemy ``get_or_create`` support

*Improvements:*

 - :issue:`561`: Display a developer-friendly error message when providing a model instead of a factory in a :class:`~factory.declarations.SubFactory` class.

*Bugfix:*

 - Fix issue with SubFactory not preserving signal muting behaviour of the used factory, thanks `Patrick Stein <https://github.com/PFStein>`_.
 - Fix issue with overriding params in a Trait, thanks `Grégoire Rocher <https://github.com/cecedille1>`_.
 - :issue:`598`: Limit ``get_or_create`` behavior to fields specified in ``django_get_or_create``.
 - :issue:`606`: Re-raise :class:`~django.db.IntegrityError` when ``django_get_or_create`` with multiple fields fails to lookup model using user provided keyword arguments.
 - :issue:`630`: TypeError masked by __repr__ AttributeError when initializing ``Maybe`` with inconsistent phases.

2.12.0

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

*New:*

 - Add support for Python 3.7
 - Add support for Django 2.1
 - Add :attr:`~factory.fuzzy.FuzzyChoice.getter` to :class:`~factory.fuzzy.FuzzyChoice` that mimics
   the behavior of ``getter`` in :class:`~factory.Iterator`
 - Make the ``extra_kwargs`` parameter of :meth:`~factory.faker.Faker.generate` optional
 - Add :class:`~factory.RelatedFactoryList` class for one-to-many support, thanks `Sean Harrington <https://github.com/seanharr11>`_.
 - Make the `locale` argument for :class:`~factory.faker.Faker` keyword-only

*Bugfix:*

 - Allow renamed arguments to be optional, thanks to `Justin Crown <https://github.com/mrname>`_.
 - Fix `django_get_or_create` behavior when using multiple fields with `unique=True`, thanks to `YPCrumble <https://github.com/YPCrumble>`

Links

• PyPI: https://pypi.org/project/factory-boy
• Changelog: https://pyup.io/changelogs/factory-boy/
• Repo: https://github.com/FactoryBoy/factory_boy

[pyup-bot]

Closing this in favor of #322