Update app.py

app.py

@@ -8,6 +8,7 @@ import os, io
 from PIL import Image
 from smolagents.agent_types import AgentImage
 from smolagents import tool
+from PIL import Image as PILImage
 
 
 from Gradio_UI import GradioUI
@@ -61,6 +62,20 @@ def text_to_image(prompt: str) -> AgentImage:
     img = Image.open(io.BytesIO(resp.content)).convert("RGB")
     return AgentImage(img)
 
+@tool
+def generate_image(prompt: str) -> AgentImage:
+    """Generate an image and return AgentImage for UI rendering.
+    Args:
+        prompt: The image description.
+    """
+    res = image_generator(prompt=prompt)
+    if isinstance(res, PILImage.Image):
+        return AgentImage(res)
+    # 如果 hub 工具未来直接返回 AgentImage，就直接透传
+    if hasattr(res, "image"):
+        return res
+    raise RuntimeError(f"Unexpected image type from image_generator: {type(res)}")
+
 final_answer = FinalAnswerTool()
 
 # If the agent does not answer, the model is overloaded, please use another model or the following Hugging Face Endpoint that also contains qwen2.5 coder:
@@ -82,7 +97,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer, DuckDuckGoSearchTool(), image_generation_tool, get_current_time_in_timezone, text_to_image ], ## add your tools here (don't remove final answer)
+    tools=[final_answer, DuckDuckGoSearchTool(), image_generation_tool, get_current_time_in_timezone, text_to_image , generate_image ], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,