code: def checkBanditPolicyTypeShape(self, bandit_policy_type, batch_size):
      self.assertAllEqual(bandit_policy_type.shape, [batch_size])
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  import math
  from absl.testing import parameterized
  import numpy
  import tensorflow
  from tf_agents.policies import epsilon_greedy_policy
  from tf_agents.policies import fixed_policy
  from tf_agents.policies import utils
  from tf_agents.specs import tensor_spec
  from tf_agents.trajectories import time_step
  from tf_agents.utils import common
  from tf_agents.utils import test_utils
label_desc: Use image node_id 4 for calling the EpsilonGreedyPolicyTest obj's underlying member method code with example usage: obj.checkBanditPolicyTypeShape(bandit_policy_type, batch_size) without return types