code: def testRemoveNamespace(self):
      p = Pool()
      p.add("real.one", 1.0)
      p.add("real.two", 2.0)
      p.add("real.three.a", "a")
      p.add("real.three.b", "b")
  
      p.removeNamespace("real.three")
  
      self.assertEqualVector(
          p.descriptorNames(), ["real.one", "real.two"]
      )
      self.assertEqualVector(p["real.one"], [1.0])
      self.assertEqualVector(p["real.two"], [2.0])
  
      p.removeNamespace("real")
      self.assertEqualVector(p.descriptorNames(), [])
  
imports: from essentia_test import *
label_desc: Use image node_id 13 for calling the TestPool obj's underlying member method code with example usage: obj.testRemoveNamespace() without return types