Handle dlopen(NULL) failure in glibc fallback #14

	name: Linting

	on:
	push:
	pull_request:
	schedule:
	# Run every Friday at 18:02 UTC
	- cron: 2 18 * * 5

	jobs:
	lint:
	name: ${{ matrix.os }}
	runs-on: ${{ matrix.os }}-latest
	env:
	TOXENV: lint,docs,vendoring

	strategy:
	matrix:
	os:
	- Ubuntu
	- Windows

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python 3.9
	uses: actions/setup-python@v2
	with:
	python-version: 3.9

	# Setup Caching
	- name: pip cache
	uses: actions/cache@v1
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('tools/requirements/tests.txt') }}-${{ hashFiles('tools/requirements/docs.txt') }}-${{ hashFiles('tox.ini') }}
	restore-keys: \|
	${{ runner.os }}-pip-
	${{ runner.os }}-

	- name: Set PY (for pre-commit cache)
	run: echo "PY=$(python -c 'import hashlib, sys;print(hashlib.sha256(sys.version.encode()+sys.executable.encode()).hexdigest())')" >> $GITHUB_ENV
	- name: pre-commit cache
	uses: actions/cache@v1
	with:
	path: ~/.cache/pre-commit
	key: pre-commit\|2020-02-14\|${{ env.PY }}\|${{ hashFiles('.pre-commit-config.yaml') }}

	# Get the latest tox
	- name: Install tox
	run: python -m pip install tox

	# Main check
	- run: python -m tox

Provide feedback