class_docstr: Action distribution P(a1, a2) = P(a1) * P(a2 | a1)
code: def entropy(self):
      a1_dist = self._a1_distribution()
      a2_dist = self._a2_distribution(a1_dist.sample())
      return a1_dist.entropy() + a2_dist.entropy()
  
imports: from ray.rllib.models.tf.tf_action_dist import Categorical, ActionDistribution
  from ray.rllib.models.torch.torch_action_dist import TorchCategorical, TorchDistributionWrapper
  from ray.rllib.utils.framework import try_import_tf, try_import_torch
label_desc: Use image node_id 5 for calling the BinaryAutoregressiveDistribution obj's underlying member method code with example usage: obj.entropy() and returns: unknown