code: def __repr__(self) -> str:
      return "UnknownType[{}]".format(self.tpe)
  
imports: import datetime
  import decimal
  import sys
  import typing
  from collections.abc import Iterable
  from inspect import isclass
  from typing import Any, Callable, Generic, List, Tuple, Union, Type, get_type_hints
  import numpy
  import pandas
  from pandas.api.types import CategoricalDtype, pandas_dtype
  from pandas.api.extensions import ExtensionDtype
  import pyarrow
  import pyspark.sql.types
  from pyspark.sql.pandas.types import to_arrow_type, from_arrow_type
  from pyspark import pandas
  from pyspark.pandas._typing import Dtype, T
label_desc: Use image node_id 2 for calling the UnknownType obj's underlying member method code with example usage: obj.__repr__() and returns: str