code: def pdf(self):
      return self.psdf.to_pandas()
  
imports: import functools
  import shutil
  import tempfile
  import warnings
  from contextlib import contextmanager
  import decimal
  from typing import Any, Union
  import pyspark.pandas
  from pyspark.pandas.frame import DataFrame
  from pyspark.pandas.indexes import Index
  from pyspark.pandas.series import Series
  from pyspark.pandas.utils import SPARK_CONF_ARROW_ENABLED
  from pyspark.testing.sqlutils import ReusedSQLTestCase
  from pyspark.errors import PySparkAssertionError
label_desc: Use image node_id 2 for calling the ComparisonTestBase obj's underlying member method code with example usage: obj.pdf() and returns: self