Empty produces leading into list index out of range #2992

	name: Test pipeline

	on:
	push:
	branches:
	- main
	pull_request:

	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ['3.9', '3.10', '3.11']
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	pip install --upgrade pip
	pip install poetry==1.4.0
	poetry install --only test
	- name: Test with tox
	run: poetry run tox
	- name: Coveralls
	run: poetry run coveralls --service github
	env:
	COVERALLS_PARALLEL: true
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	COVERALLS_FLAG_NAME: test-${{ matrix.python-version }}

	integration-test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ['3.9', '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
	pip install poetry==1.4.0
	poetry install --all-extras --with test

	- name: Execute sample pipeline
	run: ./scripts/run_integration_tests.sh $GITHUB_SHA

	finish-coveralls:
	needs: test
	runs-on: ubuntu-latest
	steps:
	- name: Install "coveralls<4"
	run: pip install coveralls
	- name: Coveralls Finished
	run: coveralls --service github --finish
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

Provide feedback