code: def _check_extension(self, psser, pser):
      self.assert_eq(psser, pser)
  
file_path: spark/python/pyspark/pandas/tests/series/test_as_type.py
imports: import unittest
  import numpy
  import pandas
  from pyspark import pandas
  from pyspark.testing.pandasutils import ComparisonTestBase
  from pyspark.testing.sqlutils import SQLTestUtils
  from pyspark.pandas.typedef.typehints import extension_dtypes_available, extension_float_dtypes_available, extension_object_dtypes_available
label_desc: Use image node_id 3 for calling the SeriesAsTypeMixin obj's underlying member method code with example usage: obj._check_extension(psser, pser) without return types