code: def tile_positional_embeddings(restored_posemb_grid, n_tokens):
      """Tile positional embeddings.
  
      Args:
        restored_posemb_grid: Positional embeddings from restored model. Shape is
          [n_restored_tokens, d]
        n_tokens: Number of tokens in the target model.
  
      Returns:
        positional embedding tiled to match n_tokens. Shape is [1, n_tokens, d]
      """
  
      num_repeats = int(n_tokens / len(restored_posemb_grid))
      logging.info(
          "Tiling loaded positional embeddings (%d), %d times",
          len(restored_posemb_grid),
          num_repeats,
      )
      restored_posemb_grid = np.concatenate(
          [restored_posemb_grid] * num_repeats, axis=0
      )
      restored_posemb_grid = np.expand_dims(
          restored_posemb_grid, axis=0
      )
  
      return restored_posemb_grid
  
imports: from typing import Any, Optional, Tuple
  from absl import logging
  import flax
  from flax.linen import linear
  from flax.training import common_utils
  import jax
  import jax.numpy
  import ml_collections
  import numpy
  from scenic.common_lib import debug_utils
  from scenic.model_lib.base_models import model_utils
  import scipy
label_desc: Use image node_id 7 for calling a global function with example usage: tile_positional_embeddings(restored_posemb_grid, n_tokens) and returns: restored_posemb_grid