No keyboard/trackpad when trying to install on Lenovo T470

I am not sure if I am doing something wrong or if the trackpad/keyboard is not supposed to work during install, but since all I have is a Bluetooth mouse, I can't install Catalina on my Lenovo T470 because I have no way to control it (I do have a USB keyboard and that does work).

I am using this repo here: but nothing is mentioned about the trackpad/keyboard not working so I don't know if I an doing something silly.

submitted by /u/jbssm
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