code: def _clean_names_inst(inst):
      """Clean up CTF suffixes from channel names."""
      mapping = dict(zip(inst.ch_names, _clean_names(inst.ch_names)))
      inst.rename_channels(mapping)
      for comp in inst.info["comps"]:
          for key in ("row_names", "col_names"):
              comp["data"][key] = _clean_names(comp["data"][key])
  
imports: import os
  import numpy
  from ..._fiff._digitization import _format_dig_points
  from ..._fiff.utils import _blk_read_lims, _mult_cal_one
  from ...utils import _check_fname, _check_option, _clean_names, fill_doc, logger, verbose
  from ..base import BaseRaw
  from .constants import CTF
  from .eeg import _read_eeg, _read_pos
  from .hc import _read_hc
  from .info import _annotate_bad_segments, _compose_meas_info, _read_bad_chans
  from .markers import _read_annotations_ctf_call
  from .res4 import _make_ctf_name, _read_res4
  from .trans import _make_ctf_coord_trans_set
label_desc: Use image node_id 2 for calling a global function with example usage: _clean_names_inst(inst) without return types