code: def test_pick_bio():
      """Test picking BIO channels."""
      names = "A1 A2 Fz O BIO1 BIO2 BIO3".split()
      types = "mag mag eeg eeg bio bio bio".split()
      info = create_info(names, 1024.0, types)
      picks_by_type = [
          ("mag", [0, 1]),
          ("eeg", [2, 3]),
          ("bio", [4, 5, 6]),
      ]
      assert_indexing(info, picks_by_type, all_data=False)
  
imports: from copy import deepcopy
  from pathlib import Path
  import numpy
  import pytest
  from numpy.testing import assert_array_equal
  from mne import Epochs, channel_indices_by_type, channel_type, create_info, make_ad_hoc_cov, pick_channels, pick_channels_cov, pick_channels_regexp, pick_info, pick_types, pick_types_forward, read_forward_solution, rename_channels
  from mne._fiff.constants import FIFF
  from mne._fiff.pick import _DATA_CH_TYPES_SPLIT, _contains_ch_type, _picks_by_type, _picks_to_idx, get_channel_type_constants
  from mne.channels import make_standard_montage
  from mne.datasets import testing
  from mne.io import RawArray, read_info, read_raw_bti, read_raw_fif, read_raw_kit
  from mne.preprocessing import compute_current_source_density
  from mne.utils import assert_object_equal, catch_logging
label_desc: Use image node_id 11 for calling a global function with example usage: test_pick_bio() without return types