Support lower python version #42

	name: Python application

	on: [push]

	jobs:
	build:

	runs-on: ${{matrix.os}}
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest]
	include:
	- os: ubuntu-latest
	ARTIFACT_NAME: sd3save_editor_linux
	- os: windows-latest
	ARTIFACT_NAME: sd3save_editor_windows

	steps:
	- uses: actions/checkout@v1
	- name: Set up Python 3.9
	uses: actions/setup-python@v1
	with:
	python-version: 3.9
	- name: Install dependencies
	run: \|
	pip install poetry pyinstaller
	poetry install
	shell: bash
	- name: Lint with flake8
	run: \|
	pip install flake8
	# 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
	- name: Run pytest
	run: poetry run pytest
	- name: Build executable
	run: make
	shell: bash
	- uses: actions/upload-artifact@v2
	with:
	name: ${{matrix.ARTIFACT_NAME}}
	path: dist/sd3save_editor*

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