Fix PEP8: E121 continuation line indentation

is not a multiple of four

common/static/js/vendor/mathjax-MathJax-c9db6ac/docs/source/conf.py

@@ -176,8 +176,13 @@ htmlhelp_basename = 'MathJaxdoc'
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title, author, documentclass [howto/manual]).
 latex_documents = [
-  ('index', 'MathJax.tex', u'MathJax Documentation',
-   u'Davide Cervone, Casey Stark, Robert Miner, Paul Topping', 'manual'),
+    (
+        'index',
+        'MathJax.tex',
+        u'MathJax Documentation',
+        u'Davide Cervone, Casey Stark, Robert Miner, Paul Topping',
+        'manual',
+    ),
 ]
 
 # The name of an image file (relative to this directory) to place at the top of