code: def test_sheetname_type():
      """Raise error if sheet name is the wrong type."""
      with pytest.raises(
          TypeError, match="sheetnames should be one of .+"
      ):
          io.xlsx_cells(filename, 5)
  
imports: from pathlib import Path
  import pytest
  from openpyxl import load_workbook
  from pandas.testing import assert_series_equal
  from janitor import io
label_desc: Use image node_id 1 for calling a global function with example usage: test_sheetname_type() without return types