Fix missing return lcurve pnd #552

	# This workflow will build the doc
	name: Documentation

	on:

	push:
	branches:
	- main

	pull_request:
	branches:
	- main
	- maintenance/**

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

	jobs:
	ubuntu:
	name: Documentation ubuntu-latest
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.11'

	- name: Install dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install build-essential gfortran
	python -m venv test
	. test/bin/activate
	python -m pip install --upgrade pip
	pip install -r requirements-dev.txt

	- name: Build
	run: \|
	. test/bin/activate
	make

	- name: Build Documentation
	run: \|
	. test/bin/activate
	make doc

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