ImportError: cannot import name 'SpeechbrainEmbeddings' from 'bob.bio.spear.extractor'

In the master branch, in bob/bio/spear/config/pipeline/speechbrain_ecapa_voxceleb.py#L4 there is from bob.bio.spear.extractor import SpeechbrainEmbeddings but SpeechbrainEmbeddings cannot be imported.