code: def test_default_values_blank_cells_false():
      """
      Test output for default values if include_blank_cells is False.
      """
      assert (
          None
          not in io.xlsx_cells(
              wb,
              "pivot-notes",
              include_blank_cells=False,
              start_point="A1",
              end_point="G7",
          )["value"].tolist()
      )
  
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 13 for calling a global function with example usage: test_default_values_blank_cells_false() without return types