{"record":{"id":"09130687f811d4ae","repo":"MiniMax-AI/skills","slug":"no-audio-in-response-json-dumps-data-indent-2-091306","errorCode":null,"errorMessage":"No audio in response: {json.dumps(data, indent=2)}","messagePattern":"No audio in response: (.+?)","errorType":"exception","errorClass":"SystemExit","httpStatus":null,"severity":"error","filePath":"skills/frontend-dev/scripts/minimax_tts.py","lineNumber":85,"sourceCode":"        f\"{API_BASE}/t2a_v2\",\n        headers={\n            \"Authorization\": f\"Bearer {API_KEY}\",\n            \"Content-Type\": \"application/json\",\n        },\n        json=payload,\n        timeout=timeout,\n    )\n    resp.raise_for_status()\n    data = resp.json()\n\n    # Check API-level error\n    base_resp = data.get(\"base_resp\", {})\n    if base_resp.get(\"status_code\", 0) != 0:\n        raise SystemExit(f\"API Error [{base_resp.get('status_code')}]: {base_resp.get('status_msg')}\")\n\n    audio_hex = data.get(\"data\", {}).get(\"audio\", \"\")\n    if not audio_hex:\n        raise SystemExit(f\"No audio in response: {json.dumps(data, indent=2)}\")\n\n    return bytes.fromhex(audio_hex)\n\n\ndef main():\n    p = argparse.ArgumentParser(description=\"MiniMax Sync TTS (HTTP)\")\n    p.add_argument(\"text\", help=\"Text to synthesize (max 10000 chars)\")\n    p.add_argument(\"-o\", \"--output\", required=True, help=\"Output file path\")\n    p.add_argument(\"-v\", \"--voice\", default=\"male-qn-qingse\", help=\"Voice ID\")\n    p.add_argument(\"--model\", default=\"speech-2.8-hd\", help=\"Model (default: speech-2.8-hd)\")\n    p.add_argument(\"--speed\", type=float, default=1.0, help=\"Speed 0.5-2.0\")\n    p.add_argument(\"--volume\", type=float, default=1.0, help=\"Volume 0.1-10\")\n    p.add_argument(\"--pitch\", type=int, default=0, help=\"Pitch -12 to 12\")\n    p.add_argument(\"--emotion\", default=\"\", help=\"Emotion tag (happy/sad/angry/...)\")\n    p.add_argument(\"--format\", default=\"mp3\", dest=\"fmt\", help=\"Audio format (mp3/wav/flac)\")\n    p.add_argument(\"--sample-rate\", type=int, default=32000, help=\"Sample rate\")\n    p.add_argument(\"--lang\", default=\"auto\", help=\"Language boost\")\n    args = p.parse_args()","sourceCodeStart":67,"sourceCodeEnd":103,"githubUrl":"https://github.com/MiniMax-AI/skills/blob/60aaae52bb2af8162732751a4332f62a5fef518b/skills/frontend-dev/scripts/minimax_tts.py#L67-L103","documentation":"Defensive guard: t2a_v2 returned base_resp.status_code 0 (no API error) but data.data.audio is empty/missing, so there are no bytes to decode from hex. The full JSON is dumped for inspection.","triggerScenarios":"A success-shaped TTS response with an absent audio field — rare backend issue, an output_format the endpoint populated differently, or a response schema that diverged from the assumed `data.audio` hex location.","commonSituations":"Transient backend serialization hiccup; account/model combination that doesn't fully populate audio in hex mode; API version that relocated the field; intermittent empty payload under load.","solutions":["Retry the identical request once — empty-audio-on-success is usually transient.","Inspect the dumped JSON to confirm where audio actually lives.","Try a different format/sample_rate to see if the field populates.","If reproducible, capture the JSON and report with model/region since success+empty-audio violates the expected contract."],"exampleFix":"// before: trust data.audio is present\naudio_hex = data.get(\"data\", {}).get(\"audio\", \"\")\nreturn bytes.fromhex(audio_hex)\n\n// after: guard + single retry\naudio_hex = data.get(\"data\", {}).get(\"audio\", \"\")\nif not audio_hex:\n    data = post(payload)  # one retry\n    audio_hex = data.get(\"data\", {}).get(\"audio\", \"\")\nif not audio_hex:\n    raise RuntimeError(\"TTS returned no audio after retry\")\nreturn bytes.fromhex(audio_hex)","handlingStrategy":"retry","validationCode":"def extract_tts_audio(data: dict):\n    \"\"\"Return audio hex from plausible locations, or None.\"\"\"\n    for path in ((\"data\", \"audio\"), (\"audio\",), (\"data\", \"audio_hex\")):\n        v = data\n        for k in path:\n            v = v.get(k, {}) if isinstance(v, dict) else None\n        if v:\n            return v\n    return None","typeGuard":"def has_tts_audio(data: dict) -> bool:\n    \"\"\"True when a success TTS response carries audio bytes.\"\"\"\n    return bool(extract_tts_audio(data))","tryCatchPattern":"for attempt in range(2):\n    data = call_tts_api(payload)\n    if data.get(\"base_resp\", {}).get(\"status_code\", 0) == 0:\n        audio = extract_tts_audio(data)\n        if audio:\n            return bytes.fromhex(audio)\n    time.sleep(3)\nraise RuntimeError(\"TTS returned no audio after retry\")","preventionTips":["Treat success+empty-audio as transient — retry once before reporting.","Search alternate field locations in case the schema diverged.","Log the full payload when audio is absent to catch schema drift.","Try a different format/sample_rate if one mode yields empty audio."],"tags":["api","data-integrity","minimax","tts"],"backgroundTag":null,"analyzedSha":"60aaae52bb2af8162732751a4332f62a5fef518b","analyzedAt":"2026-08-13T17:32:34.717Z","schemaVersion":2},"datasetVersion":"2026-08-13T19:17:28.613Z"}