code: def test_proportion_more_than_one(self):
      self.assertRaises(ValueError, fp_at, [1], [0], top_proportion=1.1)
  
imports: from unittest import TestCase
  from sklearn_evaluation.metrics import precision_at, labels_at, tp_at, fp_at
  import numpy
  from numpy import nan
label_desc: Use image node_id 11 for calling the Test_fp_at obj's underlying member method code with example usage: obj.test_proportion_more_than_one() without return types