class_docstr: Adapter for tensorflow-probability distributions.
code: def __str__(self):
      return self.to_str()
  
imports: from warnings import warn
  import numpy
  import pandas
  from sktime.base import BaseObject
  from sktime.utils.pandas import df_map
  from sktime.utils.validation._dependencies import _check_estimator_deps
label_desc: Use image node_id 2 for calling the _BaseTFDistribution obj's underlying member method code with example usage: obj.__str__() and returns: self