code: def setup_class(cls):
      pytest.importorskip("scipy")
  
imports: import itertools
  import pytest
  import networkx
  from networkx.algorithms.bipartite.matching import eppstein_matching, hopcroft_karp_matching, maximum_matching, minimum_weight_full_matching, to_vertex_cover
label_desc: Use image node_id 1 for calling the TestMinimumWeightFullMatching obj's underlying member method code with example usage: obj.setup_class(cls) without return types