message: Changes keep_dims to keepdims to remove deprecation warning.
  #labeledtensor
diff: @@ -951,7 +951,7 @@ def define_reduce_op(op_name, reduce_fn):
  intermediate_axes.append(axis)
  reduce_op = reduce_fn(
  - labeled_tensor.tensor, reduction_dimensions, keep_dims=True)
  + labeled_tensor.tensor, reduction_dimensions, keepdims=True)
  reduce_lt = core.LabeledTensor(reduce_op, intermediate_axes)
  return squeeze(reduce_lt, axes_to_squeeze, name=scope)
  