Fix: distributed sampler for multi GPU #1534

	name: test (resolution)

	on:
	pull_request:
	branches: [main, "[0-9]+.[0-9]+.x"]
	types: [labeled, synchronize, opened]
	schedule:
	- cron: "0 10 * * *" # runs at 10:00 UTC (03:00 PST) every day
	workflow_dispatch:

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	test:
	# if PR has label "resolution tests" or "all tests" or if scheduled or manually triggered
	if: >-
	(
	contains(github.event.pull_request.labels.*.name, 'resolution tests') \|\|
	contains(github.event.pull_request.labels.*.name, 'all tests') \|\|
	contains(github.event_name, 'schedule') \|\|
	contains(github.event_name, 'workflow_dispatch')
	)

	runs-on: ${{ matrix.os }}

	defaults:
	run:
	shell: bash -e {0} # -e to fail on error

	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest]
	python: ["3.10", "3.11", "3.12"]
	install-flags: ["--prerelease if-necessary-or-explicit"]

	name: integration

	env:
	OS: ${{ matrix.os }}
	PYTHON: ${{ matrix.python }}

	steps:
	- uses: actions/checkout@v4

	- uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python }}
	cache: "pip"
	cache-dependency-path: "**/pyproject.toml"

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip wheel uv
	python -m uv pip install ${{ matrix.install-flags }} --system "scvi-tools[tests] @ ."

	- name: Run pytest
	env:
	MPLBACKEND: agg
	PLATFORM: ${{ matrix.os }}
	DISPLAY: :42
	COLUMNS: 120
	run: \|
	coverage run -m pytest -v --color=yes
	coverage report

	- uses: codecov/codecov-action@v4
	with:
	token: ${{ secrets.CODECOV_TOKEN }}

Provide feedback