Update app.py

app.py

@@ -50,12 +50,26 @@ custom_role_conversions=None,
 # Import tool from Hub
 image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)
 
+@tool
+def generate_image(prompt: str) -> str:
+    """Generates an image based on a text prompt using a Hugging Face model.
+    Returns the path or object of the generated image.
+    
+    Args:
+        prompt: A descriptive text prompt for the image (e.g., 'A cat on the beach').
+    """
+    try:
+        # 调用远程工具
+        return image_generation_tool(prompt)
+    except Exception as e:
+        return f"Error generating image: {str(e)}"
+
 with open("prompts.yaml", 'r') as stream:
     prompt_templates = yaml.safe_load(stream)
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer, image_generation_tool, get_current_time_in_timezone, my_custom_tool], ## add your tools here (don't remove final answer)
+    tools=[final_answer, image_generation_tool], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,