Also, Graphql-relay introduces breaking changes to this repo in version 3.1.1
Use stricter pinning of the graphene and graphql-relay requirements in support of this upgrade
as graphene 3.0 supports 3.0-4.0 which is too broad for graphene-django
* Update Django's main branch name
* Add Python 3.9 to tox
* Update base gh action versions
* Add Django 3.2 to tests
* Remove redundant Django 1.11 references
* Update setup.py for new Django and Python versions
* merge master into v3
* fix order_by snake casing by checking if value is None, switch executor to execution_context_class since schema.execute no longer supports executor
* fix linting by removing duplicate defintion and test of convert_form_field_to_string_list
* Remove Python 2 support
* Upgrade Python & Django versions
* Remove unsupported Django versions
* Remove unsupported Python versions
* Add Python 3.8
* Drop support for django-filter < 2
* Update LoginRequiredMixin doc link
* Remove redundant import
* Resolve RemovedInDjango40Warning warnings
* gql/graphene-django/graphene_django/tests/test_converter.py:175:
RemovedInDjango40Warning: django.utils.translation.ugettext_lazy() is
deprecated in favor of django.utils.translation.gettext_lazy().
* graphene-django/graphene_django/utils/utils.py:28:
RemovedInDjango40Warning: force_text() is deprecated in favor of
force_str().
* No need to use unicode strings with Python3
* Remove singledispatch dependency
singledispatch is inluded with Python >= 3.4, no need for external
package.
* Include setup.py in black formatting
* Add new flake8 plugins and update errors to look for
* Fix duplicate test name
* Don't use mutable data structure
* Install all dev dependencies for flake8 and black tox envs
