From: Andrew Glinskiy <nordaux@gmail.com>
Date: Thu, 18 Dec 2014 14:38:20 +0000 (+0200)
Subject: Fixed error that the web.asynchronous doesn't complete python3 concurrent.Futures
X-Git-Tag: v4.1.0b1~47^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F1281%2Fhead;p=thirdparty%2Ftornado.git

Fixed error that the web.asynchronous doesn't complete python3 concurrent.Futures
---

diff --git a/tornado/web.py b/tornado/web.py
index b85b55deb..2d1dac0fd 100644
--- a/tornado/web.py
+++ b/tornado/web.py
@@ -1478,7 +1478,7 @@ def asynchronous(method):
         with stack_context.ExceptionStackContext(
                 self._stack_context_handle_exception):
             result = method(self, *args, **kwargs)
-            if isinstance(result, Future):
+            if is_future(result):
                 # If @asynchronous is used with @gen.coroutine, (but
                 # not @gen.engine), we can automatically finish the
                 # request when the future resolves.  Additionally,