move to all relative imports and add default loss fcts #11

	# This workflow will install Python dependencies, run tests and lint with a single version of Python
	# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python

	name: Python application

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	permissions:
	contents: read

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python 3.10
	uses: actions/setup-python@v3
	with:
	python-version: "3.10"

	- name: Install poetry
	uses: snok/install-poetry@v1
	with:
	version: 1.8.2
	virtualenvs-create: true
	virtualenvs-in-project: true

	- name: Install dependencies
	run: poetry install --with dev

	- name: Lint with flake8
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	poetry run flake8 pypsps --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
	poetry run flake8 pypsps --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics --ignore=F401,F403,W503,E203
	- name: Test with pytest
	run: \|
	poetry run pytest

Provide feedback