code: def testRemove(self):
      expectedVal = 123.456
  
      p = Pool()
      p.add("foo.rab", expectedVal)
      p.add("foo.bar", 0.0)
      p.add("foo.bar", 1111.1111)
      p.remove("foo.bar")
  
      self.assertRaises(KeyError, p.__getitem__, "foo.bar")
      self.assertAlmostEqualVector(p["foo.rab"], [expectedVal])
  
imports: from essentia_test import *
label_desc: Use image node_id 12 for calling the TestPool obj's underlying member method code with example usage: obj.testRemove() without return types