code: def __preprocess(
      cls,
      data: _typing.Union[
          dgl.DGLGraph, GeneralStaticGraph, _typing.Any
      ],
  ) -> _typing.Union[GeneralStaticGraph, _typing.Any]:
      if isinstance(data, dgl.DGLGraph):
          graph = autogl.data.graph.utils.conversion.dgl_graph_to_general_static_graph(
              data
          )
          setattr(graph, "_ORIGINAL_TYPE_BEFORE_FE", "DGLGraph")
          return graph
      else:
          return data
  
file_path: AutoGL/autogl/module/feature/_base_feature_engineer/_base_feature_engineer_dgl.py
imports: import copy
  import torch
  import typing
  import dgl
  from autogl.data.graph import GeneralStaticGraph
  import autogl.data.graph.utils.conversion
  from .None import _base_feature_engineer
label_desc: Use image node_id 1 for calling the BaseFeatureEngineer obj's underlying member method code with example usage: obj.__preprocess(cls, data) and returns: graph, data