--- a/tox.ini	Mon Oct 24 09:29:08 2016 +0200
+++ b/tox.ini	Mon Oct 24 09:31:55 2016 +0200
@@ -9,6 +9,7 @@
   /usr/bin/touch
 deps =
   -r{toxinidir}/requirements/dev.txt
+  py27: backports.tempfile
   misc: -r{toxinidir}/requirements/test-misc.txt
   server: -r{toxinidir}/requirements/test-server.txt
   web: -r{toxinidir}/requirements/test-web.txt