code: def test_raise_attribute(self):
      with pytest.raises(AttributeError):
          G = nx.path_graph(4)
          bytesIO = io.BytesIO()
          bipartite.write_edgelist(G, bytesIO)
  
imports: import io
  import pytest
  import networkx
  from networkx.algorithms import bipartite
  from networkx.utils import edges_equal, graphs_equal, nodes_equal
label_desc: Use image node_id 15 for calling the TestEdgelist obj's underlying member method code with example usage: obj.test_raise_attribute() without return types