code: def frame_glow_hparams():
      """Unconditional generation on video-frames."""
      hparams = next_frame_glow_hparams()
      hparams.gen_mode = "unconditional"
      hparams.num_train_frames = 1
      return hparams
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import numpy
  from six.moves import range
  from tensor2tensor.layers import common_layers
  from tensor2tensor.layers import common_video
  from tensor2tensor.layers import modalities
  from tensor2tensor.models.research import glow
  from tensor2tensor.models.research import glow_ops
  from tensor2tensor.utils import contrib
  from tensor2tensor.utils import registry
  import tensorflow.compat.v1
  import tensorflow_probability
label_desc: Use image node_id 5 for calling a global function with example usage: frame_glow_hparams() and returns: hparams