diff --git a/wsme/sphinxext.py b/wsme/sphinxext.py
index 262f3e2..4a55c69 100644
--- a/wsme/sphinxext.py
+++ b/wsme/sphinxext.py
@@ -138,7 +138,9 @@ class TypeDirective(PyClasslike):
         return _('%s (webservice type)') % name_cls[0]
 
     def add_target_and_index(self, name_cls, sig, signode):
-        ret = super(TypeDirective, self).add_target_and_index(name_cls, sig, signode)
+        ret = super(TypeDirective, self).add_target_and_index(
+            name_cls, sig, signode
+        )
         name = name_cls[0]
         types = self.env.domaindata['wsme']['types']
         if name in types:
@@ -493,7 +495,6 @@ class WSMEDomain(Domain):
             if value == docname:
                 del self.data['types'][name]
 
-
     def resolve_xref(self, env, fromdocname, builder,
                      type, target, node, contnode):
         if target not in self.data['types']: