code: def next_frame_l1():
      """Basic conv model with L1 modality."""
      hparams = next_frame_basic_deterministic()
      hparams.loss["targets"] = modalities.video_l1_loss
      hparams.top["targets"] = modalities.video_l1_top
      hparams.video_modality_loss_cutoff = 2.4
      return hparams
  
imports: from __future__ import division
  from __future__ import print_function
  from tensor2tensor.layers import modalities
  from tensor2tensor.models.video import base
  from tensor2tensor.utils import registry
label_desc: Use image node_id 10 for calling a global function with example usage: next_frame_l1() and returns: hparams