Bump lxml from 4.6.3 to 4.9.1 in /pandas-ta-quant-plot #56

	name: spellcheck

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:
	spelling:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- 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 setuptools
	python -m pip install pyspelling pymdown-extensions
	# Install any additional libraries required: additional plugins, documentation building libraries, etc.
	- name: Install Aspell
	run: \|
	sudo apt-get update
	sudo apt-get install aspell aspell-en
	#- name: Build documents
	# run: ... Perform any documentation building that might be required ..
	- name: Spell check
	run: \|
	python -m pyspelling

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