diff --git a/Lib/test/test_coroutines.py b/Lib/test/test_coroutines.py
index e869fd216a1..a84e27a0d50 100644
--- a/Lib/test/test_coroutines.py
+++ b/Lib/test/test_coroutines.py
@@ -113,7 +113,7 @@ class AsyncBadSyntaxTest(unittest.TestCase):
                      '{await a for a in b}',
                      '{await a: c for a in b}'}:
 
-            with self.assertRaisesRegex( SyntaxError, 'await.*in comprehen'):
+            with self.assertRaisesRegex(SyntaxError, 'await.*in comprehen'):
                 exec('async def f():\n\t{}'.format(comp), ns, ns)