Update utf -> str method. #193

	# Based on https://github.com/PyO3/maturin/blob/main/.github/workflows/lint.yml.

	name: Lint

	on: [push, pull_request]

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref_name }}-${{ github.event.pull_request.number \|\| github.sha }}
	cancel-in-progress: true

	jobs:
	fmt:
	name: Rustfmt
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: dtolnay/rust-toolchain
	with:
	components: rustfmt
	- name: cargo fmt
	run: cargo fmt --all -- --check

	clippy:
	name: Clippy
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: dtolnay/rust-toolchain
	with:
	components: clippy
	- name: cargo clippy
	run: cargo clippy --tests --all-features -- -D warnings

	black:
	name: Black
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: '3.x'
	- uses: psf/black@stable

	ruff:
	name: Ruff
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: '3.x'
	- run: pip install ruff
	- run: ruff .

	mypy:
	name: Mypy
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: '3.x'
	- run: pip install mypy numpy
	- run: mypy .

	# spell_check:
	# name: Spellcheck
	# runs-on: ubuntu-latest
	# steps:
	# - uses: actions/checkout@v3
	# - uses: codespell-project/actions-codespell@master

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