Explicit exception ImportError

2018-04-08 21:52:54 +08:00
parent 756712c468
commit c3542a5e42
1 changed files with 1 additions and 1 deletions
@@ -18,7 +18,7 @@ from tornado.util import errno_from_exception

 try:
    from concurrent.futures import Future
-except:
+except ImportError:
    from tornado.concurrent import Future