File "/content/DeepSpeech/DeepSpeech.py", line 7, in <module> from DeepSpeech_training import train as ds_train ModuleNotFoundError: No module named 'DeepSpeech_training'

Training package is not installed. See training documentation.
Traceback (most recent call last):
File “/content/DeepSpeech/DeepSpeech.py”, line 7, in
from DeepSpeech_training import train as ds_train
ModuleNotFoundError: No module named ‘DeepSpeech_training’

Based on the documentation(Training your own model), I followed all the steps. Can anyone tell what should be the error here?
It would be great if someone can share the colab link, if they worked on training your own model before?