TEMP: traceback for native NotImplementedError

app.py

@@ -214,7 +214,12 @@ def _encode_decode(audio_path: str, levels: tuple) -> dict:
             torch.cuda.synchronize()
             start = time.perf_counter()
             with torch.inference_mode():
-                rec = model.sig_to_sig(sig).squeeze(0).float().cpu().numpy()
+                try:
+                    rec = model.sig_to_sig(sig).squeeze(0).float().cpu().numpy()
+                except NotImplementedError:  # TEMP triage: surface the bare error's traceback
+                    import traceback
+
+                    raise RuntimeError(traceback.format_exc()) from None
             torch.cuda.synchronize()
             rtf = (time.perf_counter() - start) / seconds
             rows.append(core.evaluate(ref, rec, sr, rtf, SIZES[level], level))