code: def testSquare(self):
      self.assertAlmostEqualVector(
          UnaryOperator(type="square")(self.testInput),
          [1, 4, 9, 16, 11.56, 25.0080006, 10006801156],
      )
  
imports: from essentia_test import *
label_desc: Use image node_id 17 for calling the TestUnaryOperator obj's underlying member method code with example usage: obj.testSquare() without return types