code: def setUp(self):
      self.added_cols = 0
      self.category = ""
      self.init_cols = len(self.data.columns)
      self.time_diff = 0
      self.result = None
      if verbose:
          print()
      if timed:
          self.stime = perf_counter()
  
imports: from multiprocessing import cpu_count
  from time import perf_counter
  from .config import sample_data
  from .context import pandas_ta
  from unittest import skip, skipUnless, TestCase
  from pandas import DataFrame
label_desc: Use image node_id 3 for calling the TestStrategyMethods obj's underlying member method code with example usage: obj.setUp() without return types