code: def testIndex(self):
      @tf.function
      def f(x):
          return [0, 1][x]
  
      with self.assertRaises(TypeError):
          f(np.asarray([1]))
  
imports: import numpy
  import tensorflow.compat.v2
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops.numpy_ops import np_math_ops
label_desc: Use image node_id 4 for calling the FunctionTest obj's underlying member method code with example usage: obj.testIndex() and returns: list