Migrate interfaces to Python 3

[satanas]

https://github.com/satanas/libturpial/tree/development/libturpial/lib/interfaces

This change should:

• Migrate the existing code to python 3
• Add more tests to cover functionality (if necessary)
• Ensure previous tests pass locally

[categulario]

@satanas yo podría tomar este

[satanas]

Hi @categulario, thanks for volunteering. The issue has been assigned to you 👍