message: Make TODO a bit more specific.
diff: @@ -736,9 +736,8 @@ def cast(x, dtype, name=None):
  values_cast = cast(x.values, base_type, name=name)
  return sparse_tensor.SparseTensor(x.indices, values_cast, x.dense_shape)
  else:
  - # TODO(touts): Handle what Josh said.
  - #
  - # Could return ops.convert_to_tensor(x, dtype=dtype, ...) here, but that
  + # TODO(josh11b): If x is not already a Tensor, we could return
  + # ops.convert_to_tensor(x, dtype=dtype, ...) here, but that
  # allows some conversions that cast() can't do, e.g. casting numbers to
  # strings.
  x = ops.convert_to_tensor(x, name="x")
  