code: def setUp(self):
      self.X, self.y = load_iris(return_X_y=True)
  
imports: from __future__ import absolute_import, print_function, division, unicode_literals
  import unittest
  from sklearn.datasets import load_iris
  from xcessiv import functions
  from xcessiv.presets import cvsetting
label_desc: Use image node_id 1 for calling the TestStratifiedKFold obj's underlying member method code with example usage: obj.setUp() without return types