code: def test_check_column_excludes(dataframe):
      """
      check_column should return if column is absent and present is False
      """
      assert check_column(dataframe, ["b"], present=False) is None
  
imports: import pytest
  from janitor.utils import check_column
label_desc: Use image node_id 4 for calling a global function with example usage: test_check_column_excludes(dataframe) without return types