code: def test_tz_localize_nonexistent(self, stamp, tz):
      # GH#13057
      ts = Timestamp(stamp)
      with pytest.raises(NonExistentTimeError, match=stamp):
          ts.tz_localize(tz)
      # GH 22644
      with pytest.raises(NonExistentTimeError, match=stamp):
          ts.tz_localize(tz, nonexistent="raise")
      assert ts.tz_localize(tz, nonexistent="NaT") is NaT
  
imports: from datetime import timedelta
  import re
  from dateutil.tz import gettz
  import pytest
  import pytz
  from pytz.exceptions import AmbiguousTimeError, NonExistentTimeError
  from pandas._libs.tslibs.dtypes import NpyDatetimeUnit
  from pandas.errors import OutOfBoundsDatetime
  from pandas import NaT, Timestamp
label_desc: Use image node_id 4 for calling the TestTimestampTZLocalize obj's underlying member method code with example usage: obj.test_tz_localize_nonexistent(stamp, tz) without return types