Pin black version

c28a30da · Erik Johnston · b7a0ea68 · c28a30da
Commit c28a30da authored 5 years ago by Erik Johnston
--- 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:}"