`CIPHERGeometry.get_voxel_IPF` does not work

[aplowman]

cipher-parse/cipher_parse/geometry.py

Line 1169 in a47e938

def get_voxel_IPF(self, IPF_dir=None, as_3D=False):

This raises a damask error. We tried with damask==3.0.0a3.post2 and damask==3.0.0a7. Need to add a minimal failing example.

cc: @Aiden-M-Ha