def _pick_data_channels(info, exclude='bads', with_ref_meg=True):
 return pick_types(info, ref_meg=with_ref_meg, include=[], exclude=exclude, selection=None, **_PICK_TYPES_DATA_DICT)

def _pick_data_channels ( info , exclude = 'bads' , with_ref_meg = True ) : return pick_types ( info , ref_meg = with_ref_meg , include = [ ] , exclude = exclude , selection = None , ** _PICK_TYPES_DATA_DICT )
pick only data channels .