When you're otherwise up to date but with a lower version of zsh you are sent to a reinstallation of Oh My Zsh which which is 1) Doesn't fix the problem and 2) Requires students to handle a re-installation scenario.
If student gets past tat the problem still won't be solved and they're instructed to re-export some BREW config variables which don't fix the problem and has students confirm their homebrew set up.
From @JB-Tellez
https://codefellows.github.io/setup-guide/system-setup/mac/5-ohmyzsh.html
When you're otherwise up to date but with a lower version of zsh you are sent to a reinstallation of Oh My Zsh which which is 1) Doesn't fix the problem and 2) Requires students to handle a re-installation scenario.
If student gets past tat the problem still won't be solved and they're instructed to re-export some BREW config variables which don't fix the problem and has students confirm their homebrew set up.