`init.py`: Bugfix for tjas with no extension #49

	#file: noinspection LongLine
	name: "Check code quality"

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- '*'

	jobs:
	check-code-quality:
	runs-on: windows-2019
	steps:
	- name: Checkout tja2fumen
	uses: actions/checkout@v3

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: '3.8.x'

	- name: Install tja2fumen and its dev dependencies
	run: \|
	pip install -e .[dev]

	- name: Simple linting using flake8
	run: pflake8

	- name: Strict linting using pylint
	run: pylint src

	- name: Type analysis using mypy
	run: mypy src --strict

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