'Creates a MelodyRnnSequenceGenerator.
Args:
model: Instance of MelodyRnnModel.
details: A generator_pb2.GeneratorDetails for this generator.
steps_per_quarter: What precision to use when quantizing the melody. How
many steps per quarter note.
checkpoint: Where to search for the most recent model checkpoint. Mutually
exclusive with `bundle`.
bundle: A GeneratorBundle object that includes both the model checkpoint
and metagraph. Mutually exclusive with `checkpoint`.'

def __init__(self, model, details, steps_per_quarter=4, checkpoint=None, bundle=None):

    super(MelodyRnnSequenceGenerator, self).__init__(model, details, checkpoint, bundle)
    self.steps_per_quarter = steps_per_quarter
