code: def test_repr(self):
      assert "SquashedGaussianDistribution" in str(self.distrib)
  
imports: import unittest
  import chainer
  from chainer import testing
  from chainer.testing import condition
  import numpy
  import scipy.stats
  from chainerrl import distribution
label_desc: Use image node_id 8 for calling the TestSquashedGaussianDistribution obj's underlying member method code with example usage: obj.test_repr() without return types