Fix some higher-order behavior of `TypeGuard` and `TypeIs` #1913

	name: Documentation Build

	on: [push, pull_request]

	jobs:
	build:
	# We want to run on external PRs, but not on our own internal PRs as they'll be run
	# by the push to the branch. Without this if check, checks are duplicated since
	# internal PRs match both the push and pull_request events.
	if:
	github.event_name == 'push' \|\| github.event.pull_request.head.repo.full_name !=
	github.repository

	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest]

	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v4

	- name: Set up latest Python
	uses: actions/setup-python@v4

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip setuptools wheel
	python -m pip install -e ".[d]"
	python -m pip install -r "docs/requirements.txt"
	- name: Build documentation
	run: sphinx-build -a -b html -W --keep-going docs/ docs/_build

Provide feedback