Python joins movement to dump 'offensive' master, slave terms. Last week Victor Stinner, a Python developer who works for Red Hat, published four pull requests seeking to change "master" and "slave" in Python documentation and code to terms like "parent," "worker," or something similarly anodyne.

https://www.theregister.co.uk/2018/09/11/python_purges_master_and_slave_in_political_pogrom/