Wonderful - I'll open a PR to fix this now, then.
Edit: I'm going to need someone who can test on-cart behavior of Cud Chew.
1. If Tauros (Cud Chew) eats Sitrus Berry on Turn X, and on Turn X+1 an Unnerve user switches in, does Cud Chew fail? If so, what happens, then, once the Unnerve user...