code: def next_frame_savp_l2():
      """SAVP with L2 reconstruction loss."""
      hparams = next_frame_savp()
      hparams.loss = {
          "targets": modalities.video_l2_raw_loss,
      }
      return hparams
  
file_path: tensor2tensor/tensor2tensor/models/video/savp_params.py
imports: from __future__ import division
  from __future__ import print_function
  from tensor2tensor.layers import modalities
  from tensor2tensor.models.video import sv2p_params
  from tensor2tensor.utils import registry
label_desc: Use image node_id 2 for calling a global function with example usage: next_frame_savp_l2() and returns: hparams