Some functions missing in FastPitch Triton

[JayZ92-99]

while running the below command , I am getting ImportError: cannot import name 'load_model_from_ckpt' from 'inference' (/workspace/fastpitch/inference.py). I manually check inference.py and surprisingly I also didn't found any such function.

python3 triton/convert_model.py
--input-path ./triton/model.py
--input-type pyt
--output-path ${SHARED_DIR}/model
--output-type ${FORMAT}
--checkpoint ${CHECKPOINT_DIR}/nvidia_fastpitch_200518.pt
--onnx-opset 12
--model-path triton/model.py
--output-format ${FORMAT}
--dataloader triton/dataloader.py
--dataset-path ${DATASETS_DIR}/LJSpeech-1.1/LJSpeech-1.1_fastpitch
--batch-size 1
--max-batch-size ${MAX_BATCH_SIZE}
--max-workspace-size 512
--precision ${PRECISION}
--ignore-unknown-parameters