lib/tensor_stream/ops.rb
def unpack(value, num: nil, axis: 0, name: "unpack")
      unstack(value, num: num, axis: axis, name: name)
    end
def unpack(value, num: nil, axis: 0, name: "unpack")
      unstack(value, num: num, axis: axis, name: name)
    end
Same as unstack