code: def test_empty_graphs():
      G = nx.Graph()
      D = nx.DiGraph()
      for interface_func in [nx.minimum_node_cut, nx.minimum_edge_cut]:
          for flow_func in flow_funcs:
              pytest.raises(
                  nx.NetworkXPointlessConcept,
                  interface_func,
                  G,
                  flow_func=flow_func,
              )
              pytest.raises(
                  nx.NetworkXPointlessConcept,
                  interface_func,
                  D,
                  flow_func=flow_func,
              )
  
imports: import pytest
  import networkx
  from networkx.algorithms import flow
  from networkx.algorithms.connectivity import minimum_st_edge_cut, minimum_st_node_cut
  from networkx.utils import arbitrary_element
label_desc: Use image node_id 11 for calling a global function with example usage: test_empty_graphs() without return types