From d05859d6120f10d12f3a790856586f6e5886ab6f Mon Sep 17 00:00:00 2001
From: Zareen Choudhury <zareenc@mit.edu>
Date: Mon, 23 Apr 2018 12:19:30 -0400
Subject: [PATCH] Specify tornado version range

---
 requirements.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/requirements.txt b/requirements.txt
index 41f8337..c389000 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
-tornado
+tornado >=4.0,<5.0
 requests