From c28a30da840b9dc291569e8a8062623a2c99b28b Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Tue, 29 Oct 2019 10:37:50 +0000
Subject: [PATCH] Pin black version

---
 tox.ini | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tox.ini b/tox.ini
index 3cd2c5e633..52d35c50a8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -114,7 +114,7 @@ skip_install = True
 basepython = python3.6
 deps =
     flake8
-    black
+    black==19.3b0
 commands =
     python -m black --check --diff .
     /bin/sh -c "flake8 synapse tests scripts scripts-dev scripts/hash_password scripts/register_new_matrix_user scripts/synapse_port_db synctl {env:PEP8SUFFIX:}"