code: def df_pair(self):
      pdf = self.pdf
      psdf = ps.from_pandas(pdf)
      return pdf, psdf
  
imports: from datetime import datetime, timedelta
  import unittest
  import numpy
  import pandas
  from pyspark import pandas
  from pyspark.pandas.typedef.typehints import extension_dtypes_available, extension_float_dtypes_available, extension_object_dtypes_available
  from pyspark.pandas.utils import is_testing
  from pyspark.testing.pandasutils import ComparisonTestBase
  from pyspark.testing.sqlutils import SQLTestUtils
label_desc: Use image node_id 2 for calling the FrameConstructorMixin obj's underlying member method code with example usage: obj.df_pair() and returns: pdf,  psdf