code: def test_astype_from_categorical_with_keywords(self):
      # with keywords
      lst = ["a", "b", "c", "a"]
      ser = Series(lst)
      exp = Series(Categorical(lst, ordered=True))
      res = ser.astype(CategoricalDtype(None, ordered=True))
      tm.assert_series_equal(res, exp)
  
      exp = Series(
          Categorical(lst, categories=list("abcdef"), ordered=True)
      )
      res = ser.astype(CategoricalDtype(list("abcdef"), ordered=True))
      tm.assert_series_equal(res, exp)
  
imports: from datetime import datetime, timedelta
  from importlib import reload
  import string
  import sys
  import numpy
  import pytest
  from pandas._libs.tslibs import iNaT
  import pandas.util._test_decorators
  from pandas import NA, Categorical, CategoricalDtype, DatetimeTZDtype, Index, Interval, NaT, Series, Timedelta, Timestamp, cut, date_range, to_datetime
  import pandas._testing
label_desc: Use image node_id 8 for calling the TestAstypeCategorical obj's underlying member method code with example usage: obj.test_astype_from_categorical_with_keywords() without return types