Fix activation checkpointing #497

	name: Install pkg

	# see: https://help.github.com/en/actions/reference/events-that-trigger-workflows
	on: # Trigger the workflow on push or pull request, but only for the master branch
	push: {}
	pull_request:
	branches: [main]

	jobs:
	pkg-check:
	runs-on: ubuntu-20.04

	steps:
	- uses: actions/checkout@master
	with:
	lfs: true
	- uses: actions/setup-python@v2
	with:
	python-version: 3.9

	- name: Install Poetry
	shell: bash -l {0}
	run: \|
	curl -sSL https://install.python-poetry.org \| python3 -

	- name: Create package
	run: \|
	pip install invoke
	invoke clean
	poetry build

	- name: Verify package
	run: \|
	pip install twine==3.2
	twine check dist/*
	invoke clean

	pkg-install:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-20.04, windows-2019]
	python-version: [3.9]

	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	lfs: true

	- name: Install Poetry
	uses: abatilo/actions-poetry@v2.0.0
	with:
	poetry-version: 1.2.2

	- name: Prepare env
	run: \|
	pip install "twine==3.2" invoke

	- name: Create package
	run: \|
	invoke clean
	poetry build

	- name: Install \| Uninstall package - archive
	run: \|
	# install as archive
	pip install dist/*.tar.gz --find-links https://download.pytorch.org/whl/cpu/torch_stable.html
	cd ..
	python -c "import perceiver"
	pip uninstall -y perceiver-io

	- name: Install \| Uninstall package - wheel
	run: \|
	# install as wheel
	pip install dist/*.whl --find-links https://download.pytorch.org/whl/cpu/torch_stable.html
	cd ..
	python -c "import perceiver"
	pip uninstall -y perceiver-io

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