diff --git a/tox.ini b/tox.ini
index 8df15db..60f05cb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -55,6 +55,7 @@
 whitelist_externals = echo
 skipsdist = true
 basepython = python3.7
+
 deps =
     sphinx
     sphinx-rtd-theme