Ansible -m ping error

[rfigueraspit]

I'm following Getting started with Ansible 04 - Running ad-hoc video but I'm stuck with ansible connection. I've done some research and all I've found is that I need to force Python3 interpreter to be the same as the target hosts.

This is the configuration of inventory:

This is the configuration of pyhton in each server:

Any idea what I'm doing wrong?