Add EmptyType and UniverseType

[linpy.git] / pypol / tests / test_polyhedra.py

diff --git a/pypol/tests/test_polyhedra.py b/pypol/tests/test_polyhedra.py
index c7a58a4..e813609 100644 (file)
--- a/pypol/tests/test_polyhedra.py
+++ b/pypol/tests/test_polyhedra.py
@@ -13,7 +13,7 @@ class TestPolyhedron(unittest.TestCase):
         self.square = Polyhedron(inequalities=[x, 1 - x, y, 1 - y])
 
     def test_symbols(self):
-        self.assertCountEqual(self.square.symbols, ['x', 'y'])
+        self.assertTupleEqual(self.square.symbols, symbols('x y'))
 
     def test_dimension(self):
         self.assertEqual(self.square.dimension, 2)