code: def __init__(self, foo, bar=None):
      self.foo = foo
      self.bar = bar
  
imports: import collections
  import jax
  import jax.numpy
  import numpy
  import optax
  from absl.testing import absltest
  import flax
  from flax import traverse_util
  from flax.core import freeze
label_desc: Use image node_id 1 to create a new Foo object from inherited base classes: object with example: obj = Foo(foo, bar)