Update rda.py

rda.py

@@ -63,10 +63,16 @@ def find_nutrition(data):
         return ""
     try:
         nutrition_per_serving = data['nutritionPerServing']
-        user_serving_size = float(data['userServingSize'])
+        user_serving_size = 0
+        
+        if data['userServingSize'] != "":
+            user_serving_size = float(data['userServingSize'])
+
 
-        if not nutrition_per_serving or user_serving_size <= 0:
-            return json.dumps({"error": "Invalid nutrition data or serving size"})
+        if not nutrition_per_serving:
+            return json.dumps({"error": "Invalid nutrition data"})
+        elif user_serving_size <= 0:
+            return json.dumps({"error": "Invalid user serving size"})
 
         # Process and respond with scaled values and daily percentages
         scaled_nutrition, percentage_daily_values = process_nutrition_data(nutrition_per_serving, user_serving_size)