class_docstr: Class for retrieving different datasets.
class_docstr_tok: ["Class","for","retrieving","different","datasets","."]
code: def name(self):
      return self.hparams.dataset
  
imports: import os
  from magenta.models.coconet import lib_mask
  from magenta.models.coconet import lib_pianoroll
  from magenta.models.coconet import lib_util
  import numpy
  import tensorflow.compat.v1
label_desc: Use image node_id 2 for calling the Dataset obj's underlying member method code with example usage: obj.name() and returns: self