Update app.py

app.py

@@ -55,7 +55,7 @@ def resize_original(img: Image.Image):
     return gr.Image.update(value=guide_img.convert('RGBA')), guide_img.convert('RGBA')
 
 
-def colorize(img: Dict[str Image.Image], guide_img: Image.Image, seed: int, hint_mode: str):
+def colorize(img: Dict[str, Image.Image], guide_img: Image.Image, seed: int, hint_mode: str):
     if not isinstance(img, dict):
         return gr.update(visible=True)