code: def test_selfloops_error(self):
      G = nx.cycle_graph(4)
      G.add_edge(0, 0)
      pytest.raises(nx.NetworkXError, nx.inverse_line_graph, G)
  
imports: import pytest
  import networkx
  from networkx.generators import line
  from networkx.utils import edges_equal
label_desc: Use image node_id 10 for calling the TestGeneratorInverseLine obj's underlying member method code with example usage: obj.test_selfloops_error() without return types