code: def testAllMinimalSTSeparators(self):
      g = Graph.Famous("petersen")
      min_st_seps = {tuple(x) for x in g.all_minimal_st_separators()}
      for vs in powerset(list(range(g.vcount()))):
          if vs in min_st_seps:
              self.assertTrue(g.is_minimal_separator(vs))
          else:
              self.assertFalse(g.is_minimal_separator(vs))
  
file_path: python-igraph/tests/test_separators.py
imports: import unittest
  from igraph import Graph, InternalError
label_desc: Use image node_id 3 for calling the IsSeparatorTests obj's underlying member method code with example usage: obj.testAllMinimalSTSeparators() without return types