code: def testDuplicateConstructorArg(self):
      t = structural_tuple.structtuple(["a"])
      with self.assertRaisesRegexp(
          TypeError, "Got multiple values for argument a"
      ):
          t(1, a=2)
  
imports: import tensorflow.compat.v2
  from tensorflow_probability.python.internal import nest_util
  from tensorflow_probability.python.internal import structural_tuple
  from tensorflow_probability.python.internal import test_util
  from tensorflow.python.util import nest
label_desc: Use image node_id 15 for calling the StructTupleTest obj's underlying member method code with example usage: obj.testDuplicateConstructorArg() without return types