diff --git a/tox.ini b/tox.ini
index 9014d59..3a36e88 100644
--- a/tox.ini
+++ b/tox.ini
@@ -20,7 +20,8 @@
 commands = {posargs}
 
 [testenv:pep8]
-deps = flake8
+deps =
+  flake8
 usedevelop = False
 exclude = .venv,.git,.tox,.chache,.lib,dist,doc,*egg,build,local*
 commands =