Add tox -eblack support

This allows a user to format their code.

Signed-off-by: Paul Belanger <pabelanger@redhat.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index ee0591c..dd64055 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,6 +7,11 @@ skipsdist = True
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
 
+[testenv:black]
+install_command = pip install {opts} {packages}
+commands =
+  black -v -l79 {toxinidir}
+
 [testenv:linters]
 install_command = pip install {opts} {packages}
 commands =