class_docstr: Types of distributions used in cia.
class_docstr_tok: ["Types","of","distributions","used","in","cia","."]
code: def get_choices():
      return [
          DistributionType.CAT,
          DistributionType.DMOL,
      ]
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import numpy
  from six.moves import range
  from tensor2tensor.layers import common_attention
  from tensor2tensor.layers import common_layers
  from tensor2tensor.utils import expert_utils
  import tensorflow.compat.v1
  from tensorflow.compat.v1 import estimator
label_desc: Use image node_id 1 for calling the DistributionType obj's underlying member method code with example usage: obj.get_choices() and returns: list