Update app.py

app.py

@@ -78,6 +78,11 @@ 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)
+
+# Convert string values to nested dictionaries
+for key in list(prompt_templates.keys()):
+    if isinstance(prompt_templates[key], str):
+        prompt_templates[key] = {"content": prompt_templates[key]}
     
 agent = CodeAgent(
     model=model,