Corrected variable name

app.py

@@ -10,7 +10,7 @@ model = load_learner("model.pkl")
 
 def predict(img):
     pred, idx, probs = model.predict(img)
-    dict1 = dict(zip(categories, map(float, preds)))
+    dict1 = dict(zip(categories, map(float, probs)))
     dict1 = dict(sorted(dict1.items(), key=lambda item : item[1]))
     output = {key:dict1[key] for key in dict1.keys()[-3:]}
     sum = 0