Merge pull request #45 from tkrtmy/improve-type-hint #65

	name: ci
	on: [ push, pull_request ]
	jobs:
	ci:
	runs-on: ubuntu-latest
	services:
	redis:
	image: redis
	options: >-
	--health-cmd "redis-cli ping"
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	ports:
	- 6379:6379
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-python@v2
	with:
	python-version: "3.x"
	- name: Install and configure Poetry
	run: \|
	pip install -U pip poetry
	poetry config virtualenvs.create false
	- name: CI
	run: make ci

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