Update lemonade.py

modules/lemonade.py

@@ -347,8 +347,7 @@ def start_lemonade(nodeID, message, celsius=False):
                 else:
                     msg =  "No 🥤 were purchased"
             except Exception as e:
-                msg = "invalid input"
-                newcups = -1
+                return "invalid input"
                 
             # set the last command to lemons in the inventory db
             for i in range(len(lemonadeTracker)):