code: def test_contains_nonunique(self):
      # GH#9512
      for vals in (
          [0, 1, 0],
          [0, 0, -1],
          [0, -1, -1],
          ["00:01:00", "00:01:00", "00:02:00"],
          ["00:01:00", "00:01:00", "00:00:01"],
      ):
          idx = TimedeltaIndex(vals)
          assert idx[0] in idx
  
imports: from datetime import datetime
  import re
  import numpy
  import pytest
  from pandas import Index, NaT, Timedelta, TimedeltaIndex, Timestamp, notna, offsets, timedelta_range, to_timedelta
  import pandas._testing
label_desc: Use image node_id 1 for calling the TestContains obj's underlying member method code with example usage: obj.test_contains_nonunique() without return types