While the code below works without any errors in the stable version, it gives an error in the preview version.
import HDBrainExtractionTool
HDBetLogic = HDBrainExtractionTool.HDBrainExtractionToolLogic()
brainNode = slicer.mrmlScene.AddNewNodeByClass('vtkMRMLScalarVolumeNode')
brainSegNode = slicer.mrmlScene.AddNewNodeByClass('vtkMRMLSegmentationNode')
HDBetLogic.process(masterVolumeNode,brainNode ,brainSegNode ,0)
slicer.util.setSliceViewerLayers(background=brainNode)
File "C:/ProgramData/slicer.org/Slicer5.3.0/slicer.org/Extensions-31866/HDBrainExtraction/lib/Slicer-5.3/qt-scripted-modules/HDBrainExtractionTool.py", line 346, in process
from HD_BET.run import run_hd_bet
ModuleNotFoundError: No module named 'HD_BET'