code: def setup_method(self, method):
      self.df = get_duplicated_ugly_ts_df()
  
file_path: BigDL/python/chronos/test/bigdl/chronos/data/utils/test_deduplicate.py
imports: import pytest
  import pandas
  import numpy
  from unittest import TestCase
  from bigdl.chronos.data.utils.deduplicate import deduplicate_timeseries_dataframe
  from ...None import op_torch, op_tf2
label_desc: Use image node_id 1 for calling the TestDeduplicateTimeSeries obj's underlying member method code with example usage: obj.setup_method(method) without return types