Bugfix for `flow_map_start`. #812

	name: gh

	on:
	pull_request:
	jobs:
	gh:
	name: ${{ matrix.name }}
	runs-on: ubuntu-20.04
	strategy:
	fail-fast: false
	matrix:
	include:
	- name: linters
	python-version: 3.8
	# - name: docs
	# python-version: 3.8
	# continue-on-error: true
	- name: packaging
	python-version: 3.13
	- name: py37
	python-version: 3.7
	- name: py38
	python-version: 3.8
	- name: py39
	python-version: 3.9
	- name: py310
	python-version: "3.10"
	- name: py311
	python-version: "3.11"
	- name: py312
	python-version: "3.12"
	- name: py313
	python-version: "3.13"
	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0 # needed by setuptools-scm
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: >-
	Log the currently selected Python
	version info (${{ matrix.python-version }})
	run: \|
	python --version --version
	which python
	- name: Pip cache
	uses: actions/cache@v2
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ env.PY_SHA256 }}-${{ hashFiles('setup.cfg', 'tox.ini', 'pyproject.toml', '.pre-commit-config.yaml', 'pytest.ini') }}
	restore-keys: \|
	${{ runner.os }}-pip-
	${{ runner.os }}-
	- name: Install tox
	run: \|
	python3 -m pip install --upgrade tox
	- name: Log installed dists
	run: >-
	python3 -m pip freeze --all
	- name: "Test with tox"
	run: \|
	python3 -m tox
	env:
	TOXENV: ${{ matrix.name }}
	- name: Archive logs
	uses: actions/upload-artifact@v2
	with:
	name: logs.zip
	path: .tox/**/log/
	check:
	needs:
	- gh
	runs-on: ubuntu-latest
	steps:
	- name: Report success of the test matrix
	run: >-
	print("All's good")
	shell: python

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