Update app.py

app.py

@@ -52,11 +52,11 @@ def _load_model_cpu(model, filename, *args, **kwargs):
 _hub_load.load_model = _load_model_cpu
 
 # ── Load model once, on GPU (CUDA emulation makes this valid at startup) ───────
-print("⏳ Loading VieNeu-TTS v3 Turbo (ONNX CPU Acceleration) ...")
+print("⏳ Loading VieNeu-TTS v3 Turbo (PyTorch / CUDA) ...")
 tts = Vieneu(
     mode="v3turbo",
     device="cpu",       # ZeroGPU: keep weights on cuda from the start
-    backend="onnx",      # ONNX is the highly optimized CPU-only path for RAM/CPU speedup
+    backend="pytorch",   # force the PyTorch engine (ONNX is the CPU-only path)
     hf_token=os.getenv("HF_TOKEN"),
 )
 print("✅ Model ready.")