fixed loader bug (again)

app.py

@@ -2,12 +2,12 @@ import gradio as gr
 from fastai.vision.all import *
 import PIL
 
+def is_cat(x): return x[0].isupper() 
+
 learned = load_learner('model.pkl')
 
 labels = learned.dls.vocab
 
-def is_cat(x): return x[0].isupper() 
-
 def predict (img):
   img = PILImage.create(img)
   pred, pred_idx, probs = learned.predict(img)