Bump nltk from 3.6.6 to 3.9 in /docs #355

	name: Python tox

	on: [push]

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python 3.9
	uses: actions/setup-python@v2
	with:
	python-version: 3.9
	- name: Set up Python 3.8
	uses: actions/setup-python@v2
	with:
	python-version: 3.8
	- name: Set up Python 3.7
	uses: actions/setup-python@v2
	with:
	python-version: 3.7
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install tox pytest pytest-cov requests
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	- name: Run tox
	run: tox

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