Update app.py

app.py

@@ -23,7 +23,7 @@ class GradioInfer:
         pkg = ".".join(inference_cls.split(".")[:-1])
         cls_name = inference_cls.split(".")[-1]
         self.inference_cls = getattr(importlib.import_module(pkg), cls_name)
-      
+
     @spaces.GPU
     def greet(self, singer, text, notes, notes_duration):
         PUNCS = '。？；：'