Update app.py

app.py

@@ -45,12 +45,9 @@ image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_co
 
 @tool 
 def text_to_image(text: str) -> str:
-    """
-    A tool that takes a text string and creates an image with textual information.
+    """A tool that takes a text string builds image and returns the url in string format.
     Args: 
         text: A string representing the textual information about the image to be created.
-    Returns:
-        str: Image URL or path
     """
     try:
         return image_generation_tool(text)