code: def test_dijkstra_pred_distance_multigraph(self):
      G = nx.MultiGraph()
      G.add_edge("a", "b", key="short", foo=5, weight=100)
      G.add_edge("a", "b", key="long", bar=1, weight=110)
      p, d = nx.dijkstra_predecessor_and_distance(G, "a")
      assert p == {"a": [], "b": ["a"]}
      assert d == {"a": 0, "b": 100}
  
imports: import pytest
  import networkx
  from networkx.utils import pairwise
label_desc: Use image node_id 11 for calling the TestWeightedPath obj's underlying member method code with example usage: obj.test_dijkstra_pred_distance_multigraph() without return types