move extractor to GPU

app.py

@@ -124,6 +124,7 @@ def _activate_variant(entry):
     is where it's actually safe to touch CUDA."""
     model, extractor, audio_vae, vae_scale_factor, sample_rate, _, scheduler = entry
     extractor.text_backbone = extractor.text_backbone.to(DEVICE)
+    extractor.device = DEVICE
     model = model.to(device=DEVICE, dtype=torch.bfloat16).eval()
     audio_vae = audio_vae.to(DEVICE).eval()