code: def psdf(self):
      return ps.from_pandas(self.pdf)
  
imports: import unittest
  from datetime import datetime
  import numpy
  import pandas
  import pyspark.pandas
  from pyspark.pandas.exceptions import PandasNotImplementedError
  from pyspark.testing.pandasutils import PandasOnSparkTestCase, TestUtils, SPARK_CONF_ARROW_ENABLED
label_desc: Use image node_id 2 for calling the IndexBasicMixin obj's underlying member method code with example usage: obj.psdf() and returns: ps