fixed typo

app.py

@@ -11,7 +11,7 @@ labels = learn.dls.vocab
 def predict(img):
   img = PILImage.create(im)
   pred, pred_idx, probs = learn.predict(img)
-    return {labels[i]: float(probs[i]) for i in range(len(labels))}
+  return {labels[i]: float(probs[i]) for i in range(len(labels))}
 
 intf = gr.Interface(fn=predict,
             inputs=gr.inputs.Image(shape=(512, 512)),