code: def test_muzero_pair_is_consistent(self):
      a = np.array([1.03, 4.43, -3012.33, 0.0])
      tx = nonlinear_bellman.muzero_pair(
          num_bins=601,
          min_value=-300,
          max_value=300,
          tx=nonlinear_bellman.SIGNED_HYPERBOLIC_PAIR,
      )
      probs = tx.apply(a)
      scalar = tx.apply_inv(probs)
      np.testing.assert_allclose(a, scalar, rtol=1e-4, atol=1e-4)
  
imports: import functools
  from absl.testing import absltest
  from absl.testing import parameterized
  import chex
  import jax
  import numpy
  from rlax._src import nonlinear_bellman
label_desc: Use image node_id 3 for calling the IdentityTest obj's underlying member method code with example usage: obj.test_muzero_pair_is_consistent() without return types