z1 = x == y
  z2 = x == 'test'
  z3 = y == z
  (z1, z2, z3)  # pylint: disable=pointless-statement
  return


#--- test fn for shapes ---


@composite.Composite('TestIdentityOp')
def _tfr_shapes(x):
  s1 = x.shape
  s3 = x.shape.as_list()

  for i in range(len(s3)):
    s3[i]  # pylint: disable=pointless-statement

  for i in range(1, len(s3), 2):
    s3[i]  # pylint: disable=pointless-statement