class_docstr: Wraps a TF optimizer in the Sonnet API.
code: def __getattr__(self, name):
      return getattr(self.wrapped, name)
  
imports: import itertools
  from absl.testing import parameterized
  import numpy
  from sonnet.src import base
  from sonnet.src import test_utils
  import tensorflow
  import tree
label_desc: Use image node_id 2 for calling the WrappedTFOptimizer obj's underlying member method code with example usage: obj.__getattr__(name) and returns: getattr