Declare ngram variable in select_ngrams #2969

	name: CI Documentation

	on: [push, pull_request]

	permissions:
	contents: read # to fetch code (actions/checkout)

	jobs:
	build:
	runs-on: ubuntu-22.04

	strategy:
	max-parallel: 4
	matrix:
	python-version: [3.9]

	steps:
	- name: Checkout code
	uses: actions/checkout@v3

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install Dependencies
	run: pip install -e .[docs]

	- name: Check Sphinx Documentation build minimally
	working-directory: ./docs
	run: sphinx-build -E -W source build

	- name: Check for documentation style errors
	working-directory: ./docs
	run: ./scripts/doc8_style_check.sh

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