Update app.py

first attempt, creating a very simple tool that uses the image_generation_tool to generate an image

app.py

@@ -9,14 +9,17 @@ from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
-def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
+def generate_image_from_text(description:str)-> str: #it's import to specify the return type
     #Keep this format for the description / args / args description but feel free to modify the tool
-    """A tool that does nothing yet 
+    """A tool that generates an image based on the description of the image
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        description: text describing the image to generate
     """
-    return "What magic will you build ?"
+
+    result: Optional[str] = image_generation_tool(description)
+
+    
+    return result or "Image generation failed."
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: