`python` on macOS is currently Python 2 which can't deal with unicode: https://github.com/kidonng/tide/runs/2867992159#step:6:26 Fish has a [`__fish_anypython`](https://github.com/fish-shell/fish-shell/blob/73b13315de9ce618c781766b041a196a016aaa5e/share/functions/__fish_anypython.fish) which could be useful.