Add function

app.py

@@ -1,9 +1,13 @@
+# app.py
 import gradio as gr
 from fastai.learner import load_learner
 from fastai.vision.all import PILImage
 from huggingface_hub import hf_hub_download
 import torch
 
+# Define the is_cat function that was used during training
+def is_cat(x): return x[0].isupper()
+
 def load_model():
     # Download the model from your model repository
     model_path = hf_hub_download(