code: def setup_class(cls):
      super().setup_class()
  
imports: import numpy
  from numpy.testing import assert_almost_equal
  from statsmodels.datasets import star98
  from statsmodels.emplike.descriptive import DescStat
  from .results.el_results import DescStatRes
label_desc: Use image node_id 1 for calling the TestDescriptiveStatistics obj's underlying member method code with example usage: obj.setup_class(cls) without return types