code: def laplacian_pe(g, k, padding=False, return_eigval=False):
      r"""Alias of `dgl.lap_pe`."""
      dgl_warning(
          "dgl.laplacian_pe will be deprecated. Use dgl.lap_pe please."
      )
      return lap_pe(g, k, padding, return_eigval)
  
imports: import copy
  from collections.abc import Iterable, Mapping
  import numpy
  import scipy.sparse
  import scipy.sparse.linalg
  from ..utils import version
  from ..None import backend, batch, convert, function, ndarray, subgraph, utils
  from .._ffi.function import _init_api
  from ..base import dgl_warning, DGLError, EID, NID
  from ..frame import Frame
  from ..heterograph import DGLGraph
  from ..heterograph_index import create_heterograph_from_relations, create_metagraph_index
  from ..partition import metis_partition, metis_partition_assignment, partition_graph_with_halo
  from ..sampling.neighbor import sample_neighbors
label_desc: Use image node_id 38 for calling a global function with example usage: laplacian_pe(g, k, padding, return_eigval) and returns: lap_pe