class_docstr: Sum two signals.
class_docstr_tok: ["Sum","two","signals","."]
docstr: Just pass signals through.
docstr_tok: ["Just","pass","signals","through","."]
code: def get_controls(
      self, signal_one: tf.Tensor, signal_two: tf.Tensor
  ) -> TensorDict:
      """Just pass signals through."""
      return {"signal_one": signal_one, "signal_two": signal_two}
  
imports: from typing import Dict, Text
  from ddsp import core
  from ddsp import dags
  import gin
  import tensorflow
label_desc: Use image node_id 2 for calling the Add obj's underlying member method code with example usage: obj.get_controls(signal_one, signal_two) and returns: dict