Add density matrix and entanglement calculations for qubits #395

	name: Pylint

	on: [push, pull_request]

	jobs:
	pylint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-python@v1
	with:
	python-version: '3.10'
	architecture: 'x64'
	- name: Install Pylint
	run: \|
	python -m pip install --upgrade pip
	pip install pylint
	- name: Pylint check
	run: dev_tools/pylint

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