Fix units of VelocityGradient #189

	name: flake8

	on:
	# Trigger the workflow on push or pull request,
	# but only for the main branch
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	flake-8:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3

	- name: Install Python
	uses: actions/setup-python@v4
	with:
	python-version: '3.10'

	- name: Cache pip
	uses: actions/cache@v3
	with:
	# this path is specific to Ubuntu
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt
	pip install flake8

	- name: Run flake8
	run: flake8 paicos

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