Diffusers, txt2img and img2img, make sure guidance scale defaults to 0 when num steps <=4 #258

	name: diffusers-docker

	on:
	pull_request:
	paths:
	- "docker_images/diffusers/**"
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: "3.8"
	- name: Checkout
	uses: actions/checkout@v2
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v1
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1
	- name: Install dependencies
	run: \|
	pip install --upgrade pip
	pip install pytest pillow httpx
	pip install -e .
	- run: RUN_DOCKER_TESTS=1 pytest -sv tests/test_dockers.py::DockerImageTests::test_diffusers

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