feat(EmissionFactor): fix returned error type #286

	name: Docs
	on: [push, pull_request, workflow_dispatch]
	permissions:
	contents: write
	jobs:
	docs:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v3
	- name: Install poetry
	uses: abatilo/actions-poetry@v2.3.0
	- name: Install dependencies
	run: poetry install --no-root
	- name: Setup a local virtual environment for caching
	run: \|
	poetry config virtualenvs.create true --local
	poetry config virtualenvs.in-project true --local
	- name: Define a cache for the virtual environment based on the dependencies lock file to speed up later runs
	uses: actions/cache@v3
	with:
	path: ./.venv
	key: venv-${{ hashFiles('poetry.lock') }}
	- name: Install sphinx
	run: pip install sphinx sphinx_rtd_theme
	- name: Install myst-parser
	run: pip install myst-parser
	- name: Sphinx build
	run: \|
	sphinx-build docs _build
	- name: Deploy
	uses: peaceiris/actions-gh-pages@v3
	if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
	with:
	publish_branch: gh-pages
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: _build/
	force_orphan: true

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