Update app.py

app.py

@@ -108,7 +108,7 @@ def respond(message, history):
 
     str_recipes_chunk = "\n".join(best_recipes_chunk)
     
-    messages = [{"role":"system","content": "You are a chatbot that is a nutrition expert and helps people with their nutritional goals. You help them plan meals based on" + best_recipes_chunk + "."}]
+    messages = [{"role":"system","content": "You are a chatbot that is a nutrition expert and helps people with their nutritional goals. You help them plan meals based on" + str_recipes_chunk + "."}]
     
     if history:
         messages.extend(history)