class_docstr: Adder wrapper substituting PWIL rewards.
code: def __init__(
      self,
      direct_rl_adder: adders.Adder,
      pwil_rewarder: rewarder.WassersteinDistanceRewarder,
  ):
      self._adder = direct_rl_adder
      self._rewarder = pwil_rewarder
      self._latest_observation = None
  
file_path: acme/acme/agents/jax/pwil/adder.py
imports: from acme import adders
  from acme import types
  from acme.agents.jax.pwil import rewarder
  import dm_env
label_desc: Use image node_id 1 to create a new PWILAdder object from inherited base classes: adders with example: obj = PWILAdder(direct_rl_adder, pwil_rewarder)