From 9d8dc85df2de80626d603770f122ae30a485161f Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Tue, 29 Oct 2019 10:50:42 +0000
Subject: [PATCH] Add comment as to why we're pinning black in tests

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

diff --git a/tox.ini b/tox.ini
index 52d35c50a8..e3a53f340a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -114,7 +114,7 @@ skip_install = True
 basepython = python3.6
 deps =
     flake8
-    black==19.3b0
+    black==19.3b0  # We pin so that our tests don't start failing on new releases of black.
 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:}"
-- 
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