code: def _is_numeric(self) -> bool:
      return True
  
imports: from __future__ import annotations
  import decimal
  import numbers
  import sys
  from typing import TYPE_CHECKING
  import numpy
  from pandas.core.dtypes.base import ExtensionDtype
  from pandas.core.dtypes.common import is_dtype_equal, is_float, is_integer, pandas_dtype
  import pandas
  from pandas.api.extensions import no_default, register_extension_dtype
  from pandas.api.types import is_list_like, is_scalar
  from pandas.core import arraylike
  from pandas.core.algorithms import value_counts_internal
  from pandas.core.arraylike import OpsMixin
  from pandas.core.arrays import ExtensionArray, ExtensionScalarOpsMixin
  from pandas.core.indexers import check_array_indexer
label_desc: Use image node_id 4 for calling the DecimalDtype obj's underlying member method code with example usage: obj._is_numeric() and returns: True