Update app.py

app.py

@@ -61,8 +61,7 @@ class VibeVoiceDemo:
         self.model = VibeVoiceForConditionalGenerationInference.from_pretrained(
             self.model_path,
             torch_dtype=torch.bfloat16,
-            device_map='cuda',
-            attn_implementation="sdpa" 
+            device_map='cuda'
         )
         self.model.eval()
         
@@ -1181,7 +1180,7 @@ def main():
 def run_demo(
     model_path: str = "microsoft/VibeVoice-1.5B",
     device: str = "cuda",
-    inference_steps: int = 30,
+    inference_steps: int = 5,
     share: bool = True,
     ) -> None:
     """