business-rules extension updates

Author: jerryvig

tests/test_operators.py

@@ -198,7 +198,7 @@ def test_shares_no_elements_with(self):
 
 class DateTimeOperatorTests(TestCase):
     def setUp(self):
-        super(DateTimeOperatorTests, self).setUp()
+        super().setUp()
         self.TEST_YEAR = 2017
         self.TEST_MONTH = 1
         self.TEST_DAY = 16