code: def setUp(self):
      iris = load_iris()
  
      self.feature_names = iris.feature_names
      self.x = iris.data
      self.y = iris.target
  
file_path: lime/lime/tests/test_discretize.py
imports: import unittest
  from unittest import TestCase
  import numpy
  from sklearn.datasets import load_iris
  from lime.discretize import QuartileDiscretizer, DecileDiscretizer, EntropyDiscretizer
label_desc: Use image node_id 1 for calling the TestDiscretize obj's underlying member method code with example usage: obj.setUp() without return types