def _prepare_beamformer_input(info, forward, label, picks, pick_ori):
"""Input preparation common for all beamformer functions.
Check input values, prepare channel list and gain matrix. For documentation
of parameters, please refer to _apply_lcmv.
"""
is_free_ori = forward['source_ori'] != FIFF.FIFFV_MNE_FREE_ORI
Is this a bug?
Shouldn't that last line be:
?