File billiard-sphinx4.patch of Package python-billiard

Index: billiard-3.6.4.0/Doc/conf.py
===================================================================
--- billiard-3.6.4.0.orig/Doc/conf.py
+++ billiard-3.6.4.0/Doc/conf.py
@@ -170,8 +170,8 @@ htmlhelp_basename = 'multiprocessingdoc'
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title, author, document class [howto/manual]).
 latex_documents = [
-  ('index', 'multiprocessing.tex', ur'multiprocessing Documentation',
-   ur'Python Software Foundation', 'manual'),
+  ('index', 'multiprocessing.tex', 'multiprocessing Documentation',
+   'Python Software Foundation', 'manual'),
 ]
 
 # The name of an image file (relative to this directory) to place at the top of