code: def test_rvs(self):
      rvs = self.dist.rvs(*self.trargs, **{"size": 100})
      mean_s = rvs.mean(0)
      mean_d, var_d = self.dist.stats(*self.trargs, **{"moments": "mv"})
      if np.any(np.abs(mean_d) < 1):
          assert_almost_equal(mean_d, mean_s, 1)
      else:
          assert_almost_equal(mean_s / mean_d, 1.0, 0)
  
imports: import numpy
  from numpy.testing import assert_almost_equal
  from scipy import stats
  from statsmodels.sandbox.distributions.extras import ExpTransf_gen, LogTransf_gen, squarenormalg, absnormalg, negsquarenormalg, squaretg
label_desc: Use image node_id 4 for calling the CheckDistEquivalence obj's underlying member method code with example usage: obj.test_rvs() without return types