code: def testMissingDescriptorName(self):
      p = Pool()
      p.add("foo.bar", 0.0)
  
      self.assertRaises(KeyError, p.__getitem__, "bar.bar")
      self.assertTrue(not p.containsKey("bar.bar"))
  
imports: from essentia_test import *
label_desc: Use image node_id 11 for calling the TestPool obj's underlying member method code with example usage: obj.testMissingDescriptorName() without return types