restore stream loader + loader refactor #628

	name: Test

	on: [push, pull_request]

	jobs:
	test:
	timeout-minutes: 10
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	python-version: [3.7, 3.8, 3.9, 3.10.x, 3.11]
	os: [ubuntu-latest]

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v1
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install system dependencies (Linux)
	run: \|
	sudo apt update
	sudo apt install tesseract-ocr poppler-utils imagemagick ghostscript
	pip install -U ocrmypdf
	- name: Install testing dependencies
	run: \|
	pip install -U wheel pip
	pip install -U ".[test]"
	- name: Lint with flake8
	run: flake8
	- name: Test with pytest
	run: pytest

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