code: def _build(self, obs_input, name=None):
      del name
      action = mlp(
          obs_input, self._output_dim, self._hidden_sizes, "state"
      )
      return action
  
imports: import pickle
  import numpy
  import pytest
  import tensorflow
  from garage.tf.models.mlp import mlp
  from garage.tf.models.model import Model
  from tests.fixtures import TfGraphTestCase
label_desc: Use image node_id 2 for calling the SimpleModel2 obj's underlying member method code with example usage: obj._build(obs_input, name) and returns: action