fix typo in operators test
@@ -280,7 +280,7 @@ class OperatorTest(unittest2.TestCase):
def test_inside(self):
op = operators.get_operator('inside')
- self.assertFalse(op('a', None), 'Shouls return False')
+ self.assertFalse(op('a', None), 'Should return False')
self.assertFalse(op('a', 'bcd'), 'Should return False')
self.assertTrue(op('a', 'abc'), 'Should return True')
