How to run Vosk on GPU?

I tried to run the code from here:

https://github.com/alphacep/vosk-api/blob/master/python/example/test_gpu_batch.py

but got:

C:\Users\user\PycharmProjects\vosk-test\.venv\Scripts\python.exe C:\Users\user\PycharmProjects\vosk-test\main.py 
Traceback (most recent call last):
  File "C:\Users\user\PycharmProjects\vosk-test\main.py", line 16, in <module>
    model = BatchModel("vosk-model-en-us-0.42-gigaspeech")
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\user\PycharmProjects\vosk-test\.venv\Lib\site-packages\vosk\__init__.py", line 243, in __init__
    raise Exception("Failed to create a model")
Exception: Failed to create a model

Process finished with exit code 1

How to run Vosk on GPU using python?

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