code: def _get_expected_exception(
      self, op_name: str, obj, other
  ) -> type[Exception] | None:
      if op_name in ["__divmod__", "__rdivmod__"]:
          if isinstance(obj, pd.Series) and cast(
              StringDtype, tm.get_dtype(obj)
          ).storage in [
              "pyarrow",
              "pyarrow_numpy",
          ]:
              # TODO: re-raise as TypeError?
              return NotImplementedError
          elif isinstance(other, pd.Series) and cast(
              StringDtype, tm.get_dtype(other)
          ).storage in [
              "pyarrow",
              "pyarrow_numpy",
          ]:
              # TODO: re-raise as TypeError?
              return NotImplementedError
          return TypeError
      elif op_name in ["__mod__", "__rmod__", "__pow__", "__rpow__"]:
          if cast(StringDtype, tm.get_dtype(obj)).storage in [
              "pyarrow",
              "pyarrow_numpy",
          ]:
              return NotImplementedError
          return TypeError
      elif op_name in ["__mul__", "__rmul__"]:
          # Can only multiply strings by integers
          return TypeError
      elif op_name in [
          "__truediv__",
          "__rtruediv__",
          "__floordiv__",
          "__rfloordiv__",
          "__sub__",
          "__rsub__",
      ]:
          if cast(StringDtype, tm.get_dtype(obj)).storage in [
              "pyarrow",
              "pyarrow_numpy",
          ]:
              import pyarrow as pa
  
              # TODO: better to re-raise as TypeError?
              return pa.ArrowNotImplementedError
          return TypeError
  
      return None
  
imports: from __future__ import annotations
  import string
  from typing import cast
  import numpy
  import pytest
  import pandas
  import pandas._testing
  from pandas.api.types import is_string_dtype
  from pandas.core.arrays import ArrowStringArray
  from pandas.core.arrays.string_ import StringDtype
  from pandas.tests.extension import base
label_desc: Use image node_id 9 for calling the TestStringArray obj's underlying member method code with example usage: obj._get_expected_exception(op_name, obj, other) and returns: None, TypeError, NotImplementedError, TypeError, NotImplementedError, NotImplementedError, TypeError, TypeError, pa