diff --git a/tox.ini b/tox.ini
index b4953e7..0c893f2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -13,13 +13,13 @@
 whitelist_externals = find
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
-commands = 
+commands =
     find . -type f -name "*.pyc" -delete
     ostestr {posargs} --whitelist-file test-whitelist.txt
 
 [testenv:pep8]
 commands = flake8 {posargs}
-		   check-uuid
+           check-uuid
 
 [testenv:uuidgen]
 commands = check-uuid --fix