Do not allow to set negativ or null time/size limits #50

	name: QA

	on:
	pull_request:
	push:
	branches:
	- main

	jobs:
	check-qa:
	runs-on: ubuntu-latest

	steps:
	- name: Retrieve source code
	uses: actions/checkout@v3

	- name: Set up Python 3.8
	uses: actions/setup-python@v1
	with:
	python-version: 3.8

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

	- name: black code formatting check
	run: \|
	pip install -U "black==22.3.0"
	black --check .

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