Could not access function from qMRMLSortFilterProxyModel

Hi! I am not being able to access the function setHiddenNodeIDs from inside my Slicer. Using 4.11.0-2020-01-20 r28737.

hiddenNodeIDs is a property, so you can write it as something.hiddenNodeIDs=["vtkMRMLMarkupsCurveNode", "vtkMRMLMarkupsLineNode"]