I would still want to spend some time talking with them. It's rarely all about just pure coding ability. I want to know if they can communicate effectively and

I would still want to spend some time talking with them. It's rarely all about just pure coding ability. I want to know if they can communicate effectively and if they can work as part of a team. If someone showed a great set of open source contributions before interview, I wouldn't necessarily need to see them code in the interview and would focus on the other things important to the role.