Add use-async_utils.patch

debian/changelog

@@ -4,6 +4,7 @@ python-taskflow (1.21.0-1) UNRELEASED; urgency=medium
   * d/control: Fixed (build-)depends for this release.
   * d/control: python-mysql is now replaced with python-pymysql.
   * d/control: unittest2 is not used anymore.
+  * d/patches: Add use-async_utils.patch
 
  -- Ivan Udovichenko <iudovichenko@mirantis.com>  Tue, 29 Sep 2015 9:14:38 +0300
 

debian/patches/series

@@ -0,0 +1 @@
+use-async_utils.patch

debian/patches/use-async_utils.patch

@@ -0,0 +1,37 @@
+From ecfa9ea69f1bdec4b3e5287907e46e2d509f5e58 Mon Sep 17 00:00:00 2001
+From: Ivan Udovichenko <iudovichenko@mirantis.com>
+Date: Tue, 29 Sep 2015 12:01:24 +0300
+Subject: [PATCH] Use async_utils
+
+---
+ taskflow/engines/action_engine/runtime.py         | 1 +
+ taskflow/tests/unit/worker_based/test_pipeline.py | 1 +
+ 2 files changed, 2 insertions(+)
+
+diff --git a/taskflow/engines/action_engine/runtime.py b/taskflow/engines/action_engine/runtime.py
+index d97ba96..232a691 100644
+--- a/taskflow/engines/action_engine/runtime.py
++++ b/taskflow/engines/action_engine/runtime.py
+@@ -28,6 +28,7 @@ from taskflow.engines.action_engine import scopes as sc
+ from taskflow import flow
+ from taskflow import states as st
+ from taskflow import task
++from taskflow.utils import async_utils
+ from taskflow.utils import misc
+ 
+ 
+diff --git a/taskflow/tests/unit/worker_based/test_pipeline.py b/taskflow/tests/unit/worker_based/test_pipeline.py
+index 5674015..723bf6e 100644
+--- a/taskflow/tests/unit/worker_based/test_pipeline.py
++++ b/taskflow/tests/unit/worker_based/test_pipeline.py
+@@ -25,6 +25,7 @@ from taskflow.engines.worker_based import server as worker_server
+ from taskflow import test
+ from taskflow.tests import utils as test_utils
+ from taskflow.types import failure
++from taskflow.utils import async_utils
+ from taskflow.utils import threading_utils
+ 
+ 
+-- 
+2.1.4
+