Fix an issue where linear light scalers may shift colors #1

	name: Build documentation

	on:
	push:
	paths:
	- '**.py'
	- '**.rst'
	pull_request:
	branches:
	- master
	paths:
	- '**.py'
	- '**.rst'

	jobs:
	docs:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	versions:
	- 68
	python-version:
	- '3.12'
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python3 -m pip install --upgrade pip
	pip install vapoursynth-portable==${{ matrix.versions }}
	pip install -r requirements.txt
	pip install -r requirements-dev.txt
	pip install -r docs/requirements.txt
	- name: Building sphinx
	run: python3 setup.py build_sphinx -W --keep-going

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