code: def test_nbunch_dict(self):
      # nbunch is a dict with nodes as keys
      G = self.G()
      nbunch = set("ABCDEFGHIJKL")
      G.add_nodes_from(nbunch)
      nbunch = {"I": "foo", "J": 2, "K": True, "L": "spam"}
      G.remove_nodes_from(nbunch)
      assert sorted(G.nodes(), key=str), [
          "A",
          "B",
          "C",
          "D",
          "E",
          "F",
          "G",
          "H",
      ]
  
imports: import pytest
  import networkx
  from networkx import convert_node_labels_to_integers
  from networkx.utils import edges_equal, nodes_equal
label_desc: Use image node_id 10 for calling the HistoricalTests obj's underlying member method code with example usage: obj.test_nbunch_dict() without return types