code: def data_missing_for_sorting():
      return Categorical(
          ["A", None, "B"], categories=["B", "A"], ordered=True
      )
  
imports: import string
  import numpy
  import pytest
  from pandas._config import using_pyarrow_string_dtype
  import pandas
  from pandas import Categorical
  import pandas._testing
  from pandas.api.types import CategoricalDtype
  from pandas.tests.extension import base
label_desc: Use image node_id 6 for calling a global function with example usage: data_missing_for_sorting() and returns: Categorical