def _get_raw():
 raw = read_raw_fif(raw_fname, preload=True)
 with warnings.catch_warnings(record=True):
  raw.set_channel_types({raw.ch_names[0]: 'ias'})
 raw.pick_channels(raw.ch_names[:9])
 raw.info.normalize_proj()
 return raw

def _get_raw ( ) : raw = read_raw_fif ( raw_fname , preload = True ) with warnings . catch_warnings ( record = True ) : raw . set_channel_types ( { raw . ch_names [ 0 ] : 'ias' } ) raw . pick_channels ( raw . ch_names [ : 9 ] ) raw . info . normalize_proj ( ) return raw
get raw data .