code: def testDict(self):
      # Check that a few modules are in __dict__.
      # pylint: disable=pointless-statement
      tf.nn
      tf.keras
      tf.image
      # pylint: enable=pointless-statement
      self.assertIn("nn", tf.__dict__)
      self.assertIn("keras", tf.__dict__)
      self.assertIn("image", tf.__dict__)
  
file_path: tensorflow/tensorflow/tools/api/tests/module_test.py
imports: import pkgutil
  import tensorflow
  from tensorflow.python import tf2
  from tensorflow.python.platform import test
label_desc: Use image node_id 3 for calling the ModuleTest obj's underlying member method code with example usage: obj.testDict() without return types