Update the command for the mazer install to specify version 0.4.0. The current released version and default version installed is 0.5.0 and does not support our Ansible project on Galaxy. The urls for 0.5.0 specify the v2 of the API.
Issue submitted via Github: https://github.com/ansible/mazer/issues/259#issuecomment-493440689
"You will need to have Ansible and Mazer installed. See links for additional installation information. With Mac you can brew install and then use your version of pip to install mazer:
brew install ansible && pip install mazer==0.4.0
Or, you can use pip to install Ansible and Mazer:
pip install ansible mazer==0.4.0