Migrated % string formating

docs/conf.py

@@ -266,7 +266,7 @@ def _supress_nonlocal_image_warn(self, msg, node):
     from docutils.utils import get_source_line
 
     if not msg.startswith('nonlocal image URI found:'):
-        self._warnfunc(msg, '%s:%s' % get_source_line(node))
+        self._warnfunc(msg, '{0!s}:{1!s}'.format(*get_source_line(node)))
 
 supress_nonlocal_image_warn()
 

docs/simpegdocs.py

@@ -54,7 +54,7 @@ class Images(webapp2.RequestHandler):
 class Redirect(webapp2.RequestHandler):
     def get(self):
         path = str(self.request.path).split(os.path.sep)[3:]
-        self.redirect(('/%s'%os.path.sep.join(path)), permanent=True)
+        self.redirect(('/{0!s}'.format(os.path.sep.join(path))), permanent=True)
 
 
 class MainPage(webapp2.RequestHandler):