code: def testGradientTapeInterop(self):
      with tf.GradientTape() as t:
          x = np.asarray(3.0)
          y = np.asarray(2.0)
  
          t.watch([x, y])
  
          xx = 2 * x
          yy = 3 * y
  
      dx, dy = t.gradient([xx, yy], [x, y])
  
      self.assertIsInstance(dx, np.ndarray)
      self.assertIsInstance(dy, np.ndarray)
      self.assertAllClose(dx, 2.0)
      self.assertAllClose(dy, 3.0)
  
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 2 for calling the InteropTest obj's underlying member method code with example usage: obj.testGradientTapeInterop() without return types