diff -Nru python-tornado-5.0.2/debian/changelog python-tornado-5.0.2/debian/changelog
--- python-tornado-5.0.2/debian/changelog	2018-06-28 09:53:35.000000000 +0000
+++ python-tornado-5.0.2/debian/changelog	2018-11-01 22:32:16.000000000 +0000
@@ -1,3 +1,10 @@
+python-tornado (5.0.2-1.0ubuntu1) cosmic; urgency=medium
+
+  * Set ASYNC_TEST_TIMEOUT to higher value to prevent test failing
+    on slower archs during build and autopkgtest. (LP: #1801184)
+
+ -- Michael Hudson-Doyle <michael.hudson@ubuntu.com>  Fri, 02 Nov 2018 11:32:16 +1300
+
 python-tornado (5.0.2-1build1) cosmic; urgency=medium
 
   * No-change rebuild to add python3.7 support.
diff -Nru python-tornado-5.0.2/debian/control python-tornado-5.0.2/debian/control
--- python-tornado-5.0.2/debian/control	2018-04-11 13:41:46.000000000 +0000
+++ python-tornado-5.0.2/debian/control	2018-11-01 22:32:16.000000000 +0000
@@ -3,7 +3,8 @@
 X-Python-Version: >= 2.7
 X-Python3-Version: >= 3.3
 Priority: optional
-Maintainer: Debian Python Modules Team <python-modules-team@lists.alioth.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debian Python Modules Team <python-modules-team@lists.alioth.debian.org>
 Uploaders: Carl Chenet <chaica@debian.org>,
            Yaroslav Halchenko <debian@onerussian.com>,
            Julian Taylor <jtaylor.debian@googlemail.com>,
diff -Nru python-tornado-5.0.2/debian/rules python-tornado-5.0.2/debian/rules
--- python-tornado-5.0.2/debian/rules	2018-04-11 13:41:46.000000000 +0000
+++ python-tornado-5.0.2/debian/rules	2018-11-01 22:32:16.000000000 +0000
@@ -7,6 +7,8 @@
 # py3 tests is failling without this
 export HOME=/tmp
 
+export ASYNC_TEST_TIMEOUT=30
+
 %:
 	dh $@ --with python2,python3,sphinxdoc --buildsystem=pybuild
 
diff -Nru python-tornado-5.0.2/debian/tests/python2 python-tornado-5.0.2/debian/tests/python2
--- python-tornado-5.0.2/debian/tests/python2	2018-04-11 13:41:46.000000000 +0000
+++ python-tornado-5.0.2/debian/tests/python2	2018-11-01 22:32:16.000000000 +0000
@@ -1,6 +1,8 @@
 #!/bin/sh
 set -efu
 
+export ASYNC_TEST_TIMEOUT=30
+
 PYS=${PYS:-"$(pyversions -r 2>/dev/null)"}
 
 cd "$ADTTMP"
diff -Nru python-tornado-5.0.2/debian/tests/python3 python-tornado-5.0.2/debian/tests/python3
--- python-tornado-5.0.2/debian/tests/python3	2018-04-11 13:41:46.000000000 +0000
+++ python-tornado-5.0.2/debian/tests/python3	2018-11-01 22:32:16.000000000 +0000
@@ -1,6 +1,8 @@
 #!/bin/sh
 set -efu
 
+export ASYNC_TEST_TIMEOUT=30
+
 PYS=${PYS:-"$(py3versions -r 2>/dev/null)"}
 
 cd "$ADTTMP"