code: def test_dt_accessor_ambiguous_freq_conversions(self):
      # GH#11295
      # ambiguous time error on the conversions
      ser = Series(
          date_range("2015-01-01", "2016-01-01", freq="min"), name="xxx"
      )
      ser = ser.dt.tz_localize("UTC").dt.tz_convert("America/Chicago")
  
      exp_values = date_range(
          "2015-01-01", "2016-01-01", freq="min", tz="UTC"
      ).tz_convert("America/Chicago")
      # freq not preserved by tz_localize above
      exp_values = exp_values._with_freq(None)
      expected = Series(exp_values, name="xxx")
      tm.assert_series_equal(ser, expected)
  
imports: import calendar
  from datetime import date, datetime, time
  import locale
  import unicodedata
  import numpy
  import pytest
  import pytz
  from pandas._libs.tslibs.timezones import maybe_get_tz
  from pandas.errors import SettingWithCopyError
  from pandas.core.dtypes.common import is_integer_dtype, is_list_like
  import pandas
  from pandas import DataFrame, DatetimeIndex, Index, Period, PeriodIndex, Series, TimedeltaIndex, date_range, period_range, timedelta_range
  import pandas._testing
  from pandas.core.arrays import DatetimeArray, PeriodArray, TimedeltaArray
label_desc: Use image node_id 8 for calling the TestSeriesDatetimeValues obj's underlying member method code with example usage: obj.test_dt_accessor_ambiguous_freq_conversions() without return types