dev(narugo): fix typo on typing hint

app.py

@@ -54,7 +54,7 @@ RE_SPECIAL = re.compile(r'([\\()])')
 
 def image_to_deepdanbooru_tags(image: Image.Image, threshold: float,
                                use_spaces: bool, use_escape: bool, include_ranks: bool, score_descend: bool) \
-        -> Tuple[Mapping[str, float], str]:
+        -> Tuple[str, Mapping[str, float]]:
     tags = get_deepdanbooru_tags()
     session = get_deepdanbooru_onnx()
     input_name = session.get_inputs()[0].name