add <6 option for delai #4

	name: Vérification du respect des spécifications

	on:
	push:

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Installation Python 3.7
	uses: actions/setup-python@v1
	with:
	python-version: '3.7'
	- name: Cache pip
	uses: actions/cache@v1
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-
	${{ runner.os }}-
	- name: Installation des dépendances
	run: pip install -r requirements.txt
	- name: Vérification du schéma et des fichiers d'exemples
	run: \|
	frictionless validate --type schema schema.json
	frictionless validate --schema schema.json exemple-valide.csv

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