code: def test_bipartite_closeness_centrality_unconnected(self):
      G = nx.complete_bipartite_graph(3, 3)
      G.add_edge(6, 7)
      c = bipartite.closeness_centrality(
          G, [0, 2, 4, 6], normalized=False
      )
      answer = {
          0: 10.0 / 7,
          2: 10.0 / 7,
          4: 10.0 / 7,
          6: 10.0,
          1: 10.0 / 7,
          3: 10.0 / 7,
          5: 10.0 / 7,
          7: 10.0,
      }
      assert c == answer
  
file_path: networkx/networkx/algorithms/bipartite/tests/test_centrality.py
imports: import pytest
  import networkx
  from networkx.algorithms import bipartite
label_desc: Use image node_id 5 for calling the TestBipartiteCentrality obj's underlying member method code with example usage: obj.test_bipartite_closeness_centrality_unconnected() without return types