code: def psdf2(self):
      return ps.from_pandas(self.pdf2)
  
imports: import pandas
  import numpy
  from pyspark import pandas
  from pyspark.loose_version import LooseVersion
  from pyspark.pandas.config import set_option, reset_option
  from pyspark.testing.pandasutils import PandasOnSparkTestCase
  from pyspark.testing.sqlutils import SQLTestUtils
label_desc: Use image node_id 6 for calling the DiffFramesCorrWithMixin obj's underlying member method code with example usage: obj.psdf2() and returns: ps