Update app.py

app.py

@@ -16,7 +16,7 @@ import time
 
 
 @tool
-def show_image(image : PIL.Image.Image ):-> str #it's import to specify the return type
+def show_image(image : PIL.Image.Image )-> 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 shows image generated by image_generation_tool  
     Args: