code: def time(self):
      self.times = []
      for code in self._codes:
          timer = timeit.Timer(code, setup=self.setup)
          self.times.append(min(timer.repeat(self.repeat, self.number)))
  
imports: import os
  import pickle
  import timeit
  import types
  import numpy
  from numpy.random import RandomState
  from numpy.testing import assert_allclose, assert_almost_equal
  import pytest
  from scipy.special import gamma
  import arch.univariate.recursions_python
  from arch.univariate.volatility import RiskMetrics2006
label_desc: Use image node_id 3 for calling the Timer obj's underlying member method code with example usage: obj.time() without return types