Add tree filter for bisections #121

	# This is a basic workflow to help you get started with Actions

	name: CI

	# Controls when the action will run.
	on:
	# Triggers the workflow on push or pull request events but only for the
	# main branch
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

	jobs:
	check:
	runs-on: ubuntu-18.04
	strategy:
	matrix:
	python-version: [2.7]

	steps:

	# Checks out the repository under $GITHUB_WORKSPACE
	- uses: actions/checkout@v2

	- name: Install Debian dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y python-setuptools pycodestyle python-wheel

	- name: Install pip dependencies
	run: \|
	pip install -r requirements-dev.txt

	- name: Run unit tests
	run: \|
	cd app
	for dir in \
	models/tests \
	utils/tests \
	utils/build/tests \
	utils/bisect/tests \
	handlers/common/tests \
	handlers/tests \
	utils/report/tests
	do
	echo Running tests in $dir
	python -m unittest discover $dir \|\| exit 1
	done

	- name: Run pycodestyle
	run: \|
	cd app
	pycodestyle .

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