Install a recent distribution of python version 3.7 or later, e.g. from
www.anaconda.com

pip install pycheops --extra-index-url https://dace.unige.ch/api

In a python shell, run 
>>> from pycheops.core import setup_config

To access proprietary data from DACE, follow instructions at
https://dace.unige.ch/pythonAPI/

You can test your installation by running some of the Jupyter notebooks that
come with this distribution under pycheops/examples/Notebooks/
