Fix tensor accessing technique

app.py

@@ -8,7 +8,7 @@ def classify_image(img):
     img = PILImage.create(img)
     pred, idx, probs = learn.predict(img)
     output = dict(zip(labels, map(float, probs)))
-    print(probs[0])
+    print(probs[0].item())
     for out in output:
         val = output[out]
         if val < 60: