Update app.py

app.py

@@ -8,7 +8,7 @@ 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(userprompt: str)-> str: #it's import to specify the return type
+def my_custom_tool(userprompt: str) -> str:  #it's import to specify the return type
     """A tool that does helps to generate the image for the given text prompt 
     Args:
         userprompt(str): A string that describes about the image to generate