code: def setup_method(self):
      super().setup_method()
      self.input_var = tf.compat.v1.placeholder(
          tf.float32, shape=(None, 5)
      )
      self.obs = np.ones((1, 5))
  
file_path: garage/tests/garage/tf/models/test_categorical_mlp_model.py
imports: import pickle
  import numpy
  import pytest
  import tensorflow
  import tensorflow_probability
  from garage.tf.models import CategoricalMLPModel
  from tests.fixtures import TfGraphTestCase
label_desc: Use image node_id 1 for calling the TestCategoricalMLPModel obj's underlying member method code with example usage: obj.setup_method() without return types