lint

Lib/test/test_concurrent_futures/executor.py

@@ -72,20 +72,16 @@ def test_map_timeout(self):
         self.assertEqual([None, None], results)
 
     def test_map_args(self):
-        with self.assertRaisesRegex(
-            ValueError, "buffersize must be None or >= 1."
-        ):
+        with self.assertRaisesRegex(ValueError, "buffersize must be None or >= 1."):
             self.executor.map(bool, [], buffersize=0)
         with self.assertRaisesRegex(
             ValueError, "cannot specify both buffersize and timeout."
         ):
             self.executor.map(bool, [], timeout=1, buffersize=1)
 
     def test_map_infinite_iterable(self):
-        self.assertEqual(
-            next(iter(self.executor.map(str, itertools.count(1), buffersize=1))),
-            "1",
-        )
+        results = self.executor.map(str, itertools.count(1), buffersize=1)
+        self.assertEqual(next(iter(results)), "1")
 
     def test_map_buffersize(self):
         manager = Manager()
@@ -113,8 +109,6 @@ def test_map_buffersize(self):
                 set(range(min(buffersize + 1, iterable_size))),
             )
 
-
-
     def test_shutdown_race_issue12456(self):
         # Issue #12456: race condition at shutdown where trying to post a
         # sentinel in the call queue blocks (the queue is full while processes