✨♻️ Enhance type hints and others #1

	name: MYPY Check

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.8, 3.9, '3.10']

	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 1

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install Poetry
	uses: snok/install-poetry@v1
	with:
	version: 1.6.1

	- name: Install Dependencies
	run: poetry install --with dev

	- name: Mypy Check
	run: \|
	poetry run mypy --install-types
	poetry run mypy excore/

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