code: def test_he_uniform(self):
      n_inputs = 30
      bound = math.sqrt(3.0 / n_inputs)
  
      he_uniform = init.HeUniform()
      weight = self.eval(he_uniform.sample((n_inputs, 30)))
  
      self.assertUniformlyDistributed(weight)
      self.assertAlmostEqual(weight.mean(), 0, places=1)
      self.assertGreaterEqual(weight.min(), -bound)
      self.assertLessEqual(weight.max(), bound)
  
imports: import math
  from scipy import stats
  import numpy
  from neupy import init
  from neupy.init import identify_fans
  from base import BaseTestCase
label_desc: Use image node_id 2 for calling the HeInitializeTestCase obj's underlying member method code with example usage: obj.test_he_uniform() without return types