Lint

Update code comments and clean up codes #1248

	name: Lint

	on:
	push:
	branches:
	- dev
	paths-ignore:
	- '**.md'
	- '**.yml'
	- 'docs/**'
	pull_request:
	branches:
	- dev
	paths-ignore:
	- '**.md'
	- '**.yml'
	- 'docs/**'

	jobs:
	build:

	runs-on: ubuntu-20.04
	strategy:
	matrix:
	python-version: [3.8]

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Check Code Format with Black
	uses: psf/black@stable
	with:
	options: "--check --verbose --line-length=79"
	src: "./pythainlp"
	version: "~= 22.0"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	pip install "h5py>=2.10.0,<3" "tensorflow>=2.3.1,<3"
	pip install torch==1.7.0+cpu -f https://download.pytorch.org/whl/torch_stable.html
	pip install deepcut
	pip install .[full]
	pip install flake8 flake8-commas flake8-comprehensions flake8-tidy-imports
	- name: Lint with flake8
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
	flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics

Provide feedback