Update app.py

app.py

@@ -35,7 +35,7 @@ def get_current_time_in_timezone(timezone: str) -> str:
         return f"Error fetching time for timezone '{timezone}': {str(e)}"
 
 @tool
-def image_generation_tool(prompt: str) -> Image:
+def image_generation_tool(prompt: str) -> str:
    """A tool that generates images using the FLUX.1-schnell model.
    Args:
        prompt: A string containing the image generation prompt.