Fix empty VAL_ test
@@ -328,7 +328,7 @@ class CanToolsDatabaseTest(unittest.TestCase):
filename = 'tests/files/dbc/empty_choice.dbc'
db = cantools.database.load_file(filename)
- self.assertEqual(db.messages[0].signals[1].choices == None)
+ self.assertEqual(db.messages[0].signals[1].choices, None)
def test_padding_bit_order(self):
"""Encode and decode signals with reversed bit order.
