code: def dtype_info(df):
      info = None
      if isinstance(df.dtype, pd.CategoricalDtype):
          data = df.values
          info = (data.categories, data.ordered)
      return df.dtype, info
  
imports: from __future__ import annotations
  import math
  import numpy
  import pandas
  from pandas.api.types import is_datetime64_dtype, is_integer_dtype
  from tlz import merge, merge_sorted, take
  from dask.base import tokenize
  from dask.dataframe.core import Series
  from dask.dataframe.dispatch import tolist_dispatch
  from dask.utils import is_cupy_type, random_state_data
label_desc: Use image node_id 9 for calling a global function with example usage: dtype_info(df) and returns: df,  info