Error while trying to transcrible wav file with transcribe.py

i am a newbie so i may say stupid things but I try to transcribe wave file with transcribe.py like
py transcribe.py --src audio.wav

but I got an Error that I cannot Understand:

Traceback (most recent call last):
File “transcribe.py”, line 169, in
tf.app.run(main)
File “/Users/sacharobberse/Desktop/LV/STT/deepspeech-train-venv/lib/python3.7/site-packages/tensorflow_core/python/platform/app.py”, line 40, in run
_run(main=main, argv=argv, flags_parser=_parse_flags_tolerate_undef)
File “/Users/sacharobberse/Desktop/LV/STT/deepspeech-train-venv/lib/python3.7/site-packages/absl/app.py”, line 299, in run
_run_main(main, args)
File “/Users/sacharobberse/Desktop/LV/STT/deepspeech-train-venv/lib/python3.7/site-packages/absl/app.py”, line 250, in _run_main
sys.exit(main(argv))
File “transcribe.py”, line 133, in main
transcribe_one(src_path, dst_path)
File “transcribe.py”, line 88, in transcribe_one
transcribe_file(src_path, dst_path)
File “transcribe.py”, line 50, in transcribe_file
logits, _ = create_model(batch_x=batch_x, seq_length=batch_x_len, dropout=no_dropout)
File “/Users/sacharobberse/Desktop/LV/STT/DeepSpeech/training/deepspeech_training/train.py”, line 167, in create_model
batch_x = create_overlapping_windows(batch_x)
File “/Users/sacharobberse/Desktop/LV/STT/DeepSpeech/training/deepspeech_training/train.py”, line 59, in create_overlapping_windows
window_width = 2 * Config.n_context + 1
File “/Users/sacharobberse/Desktop/LV/STT/DeepSpeech/training/deepspeech_training/util/config.py”, line 22, in getattr
raise RuntimeError(“Global configuration not yet initialized.”)
RuntimeError: Global configuration not yet initialized.

but I don’t know how to configure it…

Thank you to any one who is able to help me :grimacing:

It is not impossible that transcribe.py is broken, maybe @Tilman_Kamp can shed some light?