From 68398e2ce629052ffc8eeed78c41f0e0ade12edb Mon Sep 17 00:00:00 2001
From: Roger Hunwicks <roger@tonic-solutions.com>
Date: Tue, 5 Mar 2019 10:54:46 +0200
Subject: [PATCH] Pin tornado dependency to maintain Py27 compatibility - fixes
 #568

Signed-off-by: Roger Hunwicks <roger@tonic-solutions.com>
---
 requirements/documentation.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/requirements/documentation.txt b/requirements/documentation.txt
index ad1e80067c..9ef2b18777 100644
--- a/requirements/documentation.txt
+++ b/requirements/documentation.txt
@@ -4,3 +4,7 @@ sphinx-autobuild==0.7.1
 sphinx_rtd_theme==0.2.4
 sphinxcontrib-blockdiag==1.5.5
 sphinxcontrib-spelling==4.2.0
+
+# sphinx-autobuild has a dependency on Tornado,
+# but Tornado 6.0 dropped support for Python 2.7
+tornado<6.0