code: def __new__(cls, incoming_graph_data=None, **attr) -> Graph:
      if incoming_graph_data is None:
          new_graph = cls.from_coo(
              0, cp.empty(0, index_dtype), cp.empty(0, index_dtype)
          )
      elif incoming_graph_data.__class__ is cls:
          new_graph = incoming_graph_data.copy()
      elif incoming_graph_data.__class__ is cls.to_networkx_class():
          new_graph = nxcg.from_networkx(
              incoming_graph_data, preserve_all_attrs=True
          )
      else:
          raise NotImplementedError
      new_graph.graph.update(attr)
      return new_graph
  
imports: from __future__ import annotations
  import operator
  from copy import deepcopy
  from typing import TYPE_CHECKING
  import cupy
  import networkx
  import numpy
  import pylibcugraph
  import nx_cugraph
  from ..utils import index_dtype
label_desc: Use image node_id 6 for calling the Graph obj's underlying member method code with example usage: obj.__new__(cls, incoming_graph_data) and returns: new_graph