code: def test_one_channel_elec_bug(version):
      """Test if loading data having only one elec in the elec field works."""
      fname = (
          testing_path
          / "fieldtrip"
          / f"one_channel_elec_bug_data_{version}.mat"
      )
  
      with pytest.warns(**no_info_warning):
          mne.io.read_raw_fieldtrip(fname, info=None)
  
imports: import copy
  import itertools
  from contextlib import nullcontext
  import numpy
  import pytest
  import mne
  from mne.datasets import testing
  from mne.io import read_raw_fieldtrip
  from mne.io.fieldtrip.tests.helpers import assert_warning_in_record, check_data, check_info_fields, get_data_paths, get_epochs, get_evoked, get_raw_data, get_raw_info, pandas_not_found_warning_msg
  from mne.io.fieldtrip.utils import NOINFO_WARNING, _create_events
  from mne.io.tests.test_raw import _test_raw_reader
  from mne.utils import _check_pandas_installed, _record_warnings
label_desc: Use image node_id 7 for calling a global function with example usage: test_one_channel_elec_bug(version) without return types