Add assertion to aid type checking. #617

	name: tests

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]
	workflow_dispatch:
	inputs:
	git-ref:
	description: Git Ref (Optional)
	required: false

	jobs:
	build:
	runs-on: ubuntu-latest
	env:
	TEST_TMPDIR: '/tmp'
	strategy:
	matrix:
	python-version: ["3.10", "3.11"]
	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 dependencies
	run: \|
	pip install --upgrade pip setuptools
	python setup.py install
	pip install .[testing]

	- name: Test with pytest
	run: \|
	pytest -n "$(grep -c ^processor /proc/cpuinfo)" android_env

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