Add helper method to retrieve declared type #8

	name: CI

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	max-parallel: 4
	matrix:
	python-version: [3.8, 3.9, "3.10"]
	django-version: [3.2, 4.0]

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install Dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements_dev.txt django==${{matrix.django-version}}
	- name: Run Tests
	run: \|
	py.test tests
	style:
	runs-on: ubuntu-latest
	strategy:
	max-parallel: 4
	matrix:
	python-version: ["3.10"]
	django-version: [3.2]

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install Dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements_dev.txt django==${{matrix.django-version}}
	- name: Run flake8
	run: \|
	flake8 hierarkey tests demoproject
	- name: Run flake8
	run: \|
	isort -c -rc flake8 hierarkey tests demoproject

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