code: def test_from_to_pandas(self):
      pdf, psdf = self.array_pdf, self.array_psdf
      for col in self.array_df_cols:
          pser, psser = pdf[col], psdf[col]
          self.assert_eq(pser, psser._to_pandas())
          self.assert_eq(ps.from_pandas(pser), psser)
  
imports: import decimal
  import datetime
  import pandas
  from pyspark import pandas
  from pyspark.testing.pandasutils import PandasOnSparkTestCase
  from pyspark.pandas.tests.data_type_ops.testing_utils import OpsTestBase
label_desc: Use image node_id 32 for calling the ComplexOpsTestsMixin obj's underlying member method code with example usage: obj.test_from_to_pandas() without return types