Isn't ruby .RB?

And why have I not seen loads an loads of .py domains for python? Paraguay is a stable enough country for this purpose. Do they limit domain names to residents?

>Registration restrictions: Second-level registrations prohibited; must have a contact in Paraguay; subdomains have various restrictions; all applications subject to approval by registry

>Structure: Registrations are at third level beneath second-level labels

https://en.wikipedia.org/wiki/.py