Update app.py

app.py

@@ -63,3 +63,6 @@ try:
           return (" therefore your item is recyclable. Please refer to https://www.wm.com/us/en/drop-off-locations to find a drop-off location near you.")
         elif img == 'plastic':
           return ("therefore your item may have a chance of being recyclable.")
+
+except ValueError:
+    print("Value Error")