fix bug that caused LB/UB to not be enforced by remote component if limit was (scalar) 0 #136

	name: flake8

	on:
	push:
	branches: [ master ]
	pull_request:
	jobs:
	# --- code style check by flake8 ---
	flake8:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python 3.8
	uses: actions/setup-python@v2
	with:
	python-version: '3.8'

	# use both MDO Lab standard config
	- name: Code style (flake8)
	run: \|
	pip install flake8
	python -m flake8 mphys --count --show-source --statistics

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