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app.py

@@ -25,6 +25,8 @@ if not vibevoice_dir.exists():
     subprocess.run(['git', 'clone', 'https://github.com/microsoft/VibeVoice.git'], check=True)
     print("Installing VibeVoice...")
     subprocess.run(['pip', 'install', '-e', './VibeVoice'], check=True)
+    print("Installing flash-attn...")
+    subprocess.run(['pip', 'install', 'flash-attn', '--no-build-isolation'], check=True)
 
 # Add the VibeVoice directory to path
 import sys
@@ -113,7 +115,6 @@ class VibeVoiceChat:
             self.model_path,
             torch_dtype=torch.bfloat16,
             device_map='cuda',
-            attn_implementation="flash_attention_2",
         )
         self.model.eval()