code: def test_has_keras_dependent_attributes(self):
      self.assertIs(api.KerasCallback, _keras.Callback)
  
file_path: tensorboard/tensorboard/plugins/hparams/api_test.py
imports: from tensorboard import test
  from tensorboard.plugins.hparams import api
  from tensorboard.plugins.hparams import _keras
  from tensorboard.plugins.hparams import summary_v2
label_desc: Use image node_id 2 for calling the ApiTest obj's underlying member method code with example usage: obj.test_has_keras_dependent_attributes() without return types