fixed some issues with paper.md and unit tests #159

	name: Python Package using Conda

	on: [push]

	jobs:
	build-linux:
	runs-on: ubuntu-latest
	strategy:
	max-parallel: 5

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python 3.10
	uses: actions/setup-python@v3
	with:
	python-version: '3.10'
	- name: Add conda to system path
	run: \|
	# $CONDA is an environment variable pointing to the root of the miniconda directory
	echo $CONDA/bin >> $GITHUB_PATH
	- name: Install dependencies
	run: \|
	conda env update --file environment.yml --name base
	python -m pip install colossus pixell camb
	- name: Test with pytest
	run: \|
	conda install pytest
	pytest

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