code: def setUp(self):
      self.scores = np.array(
          [1.0, 0.9, 0.8, 0.7, 0.6, 0.5, 0.4, 0.3, 0.2, 0.1]
      )
  
imports: from random import shuffle
  from unittest import TestCase
  import numpy
  from sklearn_evaluation.preprocessing import binarize
label_desc: Use image node_id 1 for calling the Test_binarize_scores_at_top_proportion obj's underlying member method code with example usage: obj.setUp() without return types