Не работает stt_long_running_recognize_audio_group

[kurkuruzo]

Запрос на обработку отправляется, но статус операций не обновляется.

python stt_long_running_recognize_audio_group.py

WatchOperations. Initial state:
[104] ENQUEUED
[105] ENQUEUED
[106] ENQUEUED
[107] ENQUEUED
============================
WatchOperations. Init finished.

через некоторое довольно продолжительное время получается

Traceback (most recent call last):
  File "stt_long_running_recognize_audio_group.py", line 90, in <module>
    for response in responses:
  File ".../voicekit-examples/.venv/lib/python3.8/site-packages/grpc/_channel.py", line 426, in __next__
    return self._next()
  File ".../voicekit-examples/.venv/lib/python3.8/site-packages/grpc/_channel.py", line 826, in _next
    raise self
grpc._channel._MultiThreadedRendezvous: <_MultiThreadedRendezvous of RPC that terminated with:
        status = StatusCode.INTERNAL
        details = "Received RST_STREAM with error code 0"
        debug_error_string = "{"created":"@1649599453.934501536","description":"Error received from peer ipv4:91.194.226.157:443","file":"src/core/lib/surface/call.cc","file_line":905,"grpc_message":"Received RST_STREAM with error code 0","grpc_status":13}"