Backport #185 to humble #961

	name: style
	on:
	pull_request:
	push:
	branches: [ main ]
	jobs:
	linter:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	docker_image: ['ros:humble-ros-base']
	container:
	image: ${{ matrix.docker_image }}
	steps:
	- uses: actions/checkout@v2
	- name: deps
	shell: bash
	run: \|
	sudo apt-get update
	sudo apt-get install wget pycodestyle
	# Note: Enable this if only cpp files are available for style check
	# - name: rmf_uncrustify
	# shell: bash
	# run: \|
	# wget https://raw.githubusercontent.com/open-rmf/rmf_utils/master/rmf_utils/test/format/rmf_code_style.cfg
	# source /opt/ros/foxy/setup.bash
	# ament_uncrustify -c rmf_code_style.cfg
	- name: pycodestyle
	shell: bash
	run: \|
	pycodestyle .

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