From 29512a86f1ea6a1e5ad48a9ada50a085c179a169 Mon Sep 17 00:00:00 2001
From: Chris Donati <chris.donati@appscale.com>
Date: Wed, 16 Oct 2019 10:24:37 -0700
Subject: [PATCH] Restrict attrs version

Hermes uses the "convert" attribute, which was removed in 19.2.0.
---
 Hermes/setup.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Hermes/setup.py b/Hermes/setup.py
index 22dfc96283..10e1272e94 100644
--- a/Hermes/setup.py
+++ b/Hermes/setup.py
@@ -15,7 +15,7 @@
     'kazoo',
     'tornado',
     'psutil==5.6.3',
-    'attrs>=18.1.0',
+    'attrs>=18.1.0,<19.2.0',  # 19.2.0 removed "convert" attribute.
     'mock',
   ],
   test_suite='appscale.hermes',