code: def setup_class(cls):
      numpy.random.seed(54321)
      cls.X = numpy.random.standard_normal((40, 10))
  
file_path: statsmodels/statsmodels/stats/tests/test_contrast.py
imports: import numpy
  import numpy.random
  from numpy.testing import assert_almost_equal, assert_equal
  from statsmodels.stats.contrast import Contrast
  import statsmodels.stats.contrast
label_desc: Use image node_id 1 for calling the TestContrast obj's underlying member method code with example usage: obj.setup_class(cls) without return types