add is_cat

app.py

@@ -4,7 +4,7 @@ import gradio as gr
 learner = load_learner('model.pkl')
 categories = ("Dog", "Cat")
 
-
+def is_cat(x): return x[0].isupper()
 def infer(img):
     _, _, prob = learner.predict(img)
     return dict(zip(categories, map(float, prob)))