Update app.py

app.py

@@ -22,7 +22,7 @@ logger = logging.get_logger(__name__)
 
 
 class VibeVoiceDemo:
-     def __init__(self, model_paths: dict, device: str = "cuda", inference_steps: int = 5):
+    def __init__(self, model_paths: dict, device: str = "cuda", inference_steps: int = 5):
         """
         model_paths: dict like {"VibeVoice-1.5B": "microsoft/VibeVoice-1.5B",
                                 "VibeVoice-1.1B": "microsoft/VibeVoice-1.1B"}