when sub node is requested, add one per instance for many to many fie… #392

	name: Checking migrations

	on: [push]

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- uses: "actions/setup-python@v2"
	with:
	python-version: "3.9"
	- name: "Install dependencies"
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt
	- name: Check if no migrations is missing
	run: \|
	POSTGRES_PASSWORD=eee python manage.py makemigrations --check --dry-run

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