code: def testEps(self, dtype):
      self.assertEqual(
          dtype_util.eps(dtype).dtype, dtype_util.as_numpy_dtype(dtype)
      )
  
imports: import dataclasses
  from absl.testing import parameterized
  import numpy
  import tensorflow.compat.v2
  from tensorflow_probability.python.internal import dtype_util
  from tensorflow_probability.python.internal import test_util
label_desc: Use image node_id 10 for calling the DtypeUtilTest obj's underlying member method code with example usage: obj.testEps(dtype) without return types