Place the command to generate docs on one line

Change-Id: I99d78208c940bc6646327ee967e71187c32a159f

Author: Steve Martinelli

tox.ini

@@ -25,8 +25,7 @@ commands = python setup.py test --coverage --testr-args='{posargs}'
 downloadcache = ~/cache/pip
 
 [testenv:docs]
-commands=
-    python setup.py build_sphinx
+commands = python setup.py build_sphinx
 
 [flake8]
 ignore = H305,H307,H402,H904