class_docstr: Unit tests for the :func:`~networkx.configuration_model`
  function.
class_docstr_tok: ["Unit","tests","for","the",":","func",":","`","~networkx.configuration_model","`","function","."]
docstr: Tests that an empty degree sequence yields the null graph.
docstr_tok: ["Tests","that","an","empty","degree","sequence","yields","the","null","graph","."]
code: def test_empty_degree_sequence(self):
      """Tests that an empty degree sequence yields the null graph."""
      G = nx.configuration_model([])
      assert len(G) == 0
  
imports: import pytest
  import networkx
label_desc: Use image node_id 1 for calling the TestConfigurationModel obj's underlying member method code with example usage: obj.test_empty_degree_sequence() without return types