* lib1.tex: documented dict.items() and dict.values()
* ref3.tex: documented new __init__ and __del__ special methods of
  class instances.
diff --git a/Doc/tools/partparse.py b/Doc/tools/partparse.py
index 83b58bd..1f8e952 100644
--- a/Doc/tools/partparse.py
+++ b/Doc/tools/partparse.py
@@ -1001,7 +1001,7 @@
 # things that are special to LaTeX, but not to texi..
 onlylatexspecial = '_~^$#&%'
 
-class Struct(): pass
+class Struct: pass
 
 hist = Struct()
 out = Struct()