code: def _create_arithmetic_method(cls, op):
      return cls._create_method(op, coerce_to_dtype=False)
  
imports: from __future__ import annotations
  import decimal
  import operator
  import numpy
  import pytest
  import pandas
  import pandas._testing
  from pandas.tests.extension import base
  from pandas.tests.extension.decimal.array import DecimalArray, DecimalDtype, make_data, to_decimal
label_desc: Use image node_id 1 for calling the DecimalArrayWithoutCoercion obj's underlying member method code with example usage: obj._create_arithmetic_method(cls, op) and returns: cls