code: def test_reindex_int(self, int_frame):
      smaller = int_frame.reindex(int_frame.index[::2])
  
      assert smaller["A"].dtype == np.int64
  
      bigger = smaller.reindex(int_frame.index)
      assert bigger["A"].dtype == np.float64
  
      smaller = int_frame.reindex(columns=["A", "B"])
      assert smaller["A"].dtype == np.int64
  
imports: from datetime import datetime, timedelta
  import inspect
  import numpy
  import pytest
  from pandas._libs.tslibs.timezones import dateutil_gettz
  from pandas.compat import IS64, is_platform_windows
  from pandas.compat.numpy import np_version_gt2
  import pandas
  from pandas import Categorical, CategoricalIndex, DataFrame, Index, MultiIndex, Series, date_range, isna
  import pandas._testing
  from pandas.api.types import CategoricalDtype
label_desc: Use image node_id 22 for calling the TestDataFrameSelectReindex obj's underlying member method code with example usage: obj.test_reindex_int(int_frame) without return types