add final

app.py

@@ -52,7 +52,7 @@ image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_co
 
 with open("prompts.yaml", 'r') as stream:
     prompt_templates = yaml.safe_load(stream)
-    print("prompt_templates:", prompt_templates)
+    prompt_templates['final_answer'] = {'pre_messages': 'pre_messages', 'post_messages': 'post_messages'}
     
 agent = CodeAgent(
     model=model,
@@ -67,4 +67,4 @@ agent = CodeAgent(
 )
 
 
-GradioUI(agent).launch()
+GradioUI(agent).launch()