Use true booleans and PEP8 for argdefaults.
diff --git a/Lib/xml/dom/domreg.py b/Lib/xml/dom/domreg.py
index 67e0104..cb35bb0 100644
--- a/Lib/xml/dom/domreg.py
+++ b/Lib/xml/dom/domreg.py
@@ -36,7 +36,7 @@
             return 0
     return 1
 
-def getDOMImplementation(name = None, features = ()):
+def getDOMImplementation(name=None, features=()):
     """getDOMImplementation(name = None, features = ()) -> DOM implementation.
 
     Return a suitable DOM implementation. The name is either