class_docstr: Test generator.
code: def __init__(self, checkpoint=None, bundle=None):
      details = generator_pb2.GeneratorDetails(
          id="test_generator", description="Test Generator"
      )
  
      super(SeuenceGenerator, self).__init__(
          Model(), details, checkpoint=checkpoint, bundle=bundle
      )
  
file_path: magenta/magenta/models/shared/sequence_generator_test.py
imports: from magenta.models.shared import model
  from magenta.models.shared import sequence_generator
  from note_seq.protobuf import generator_pb2
  import tensorflow.compat.v1
label_desc: Use image node_id 1 to create a new SeuenceGenerator object from inherited base classes: sequence_generator with example: obj = SeuenceGenerator(checkpoint, bundle)