Update app.py

app.py

@@ -82,7 +82,8 @@ def decode_block(b):
     l2.append(b[4]-16384)
     l3 += [b[5]-20480, b[6]-24576]
     codes=[torch.tensor(x,device=device).unsqueeze(0) for x in (l1,l2,l3)]
-    audio=snac.decode(codes).squeeze().cpu().numpy()
+    with torch.no_grad():
+        audio = snac.decode(codes).squeeze().detach().cpu().numpy()
     return (audio*32767).astype("int16").tobytes()
 
 # 5 · WebSocket‑Endpoint ---------------------------------------------