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app.py

@@ -72,6 +72,9 @@ def _fetch_audio_urls(repo_id: str, n: int, token: str | None) -> tuple[list[str
     urls = []
     for row in rows:
         audio = row["row"].get("audio", {})
+        # audio can be a dict {"src": ...} or a list [{"src": ...}, ...]
+        if isinstance(audio, list):
+            audio = audio[0] if audio else {}
         if isinstance(audio, dict) and "src" in audio:
             urls.append(audio["src"])