diff --git a/Lib/xml/dom/__init__.py b/Lib/xml/dom/__init__.py
index 0296567..5eb15ae 100644
--- a/Lib/xml/dom/__init__.py
+++ b/Lib/xml/dom/__init__.py
@@ -60,7 +60,7 @@
 class DOMException(Exception):
     """Abstract base class for DOM exceptions.
     Exceptions with specific codes are specializations of this class."""
-    
+
     def __init__(self, *args, **kw):
         if self.__class__ is DOMException:
             raise RuntimeError(
diff --git a/Lib/xml/dom/minidom.py b/Lib/xml/dom/minidom.py
index 54cdea4..9c18fb2 100644
--- a/Lib/xml/dom/minidom.py
+++ b/Lib/xml/dom/minidom.py
@@ -38,7 +38,7 @@
     _makeParentNodes = 1
     debug = None
     childNodeTypes = ()
-    
+
     def __init__(self):
         self.childNodes = []
         self.parentNode = None
@@ -168,9 +168,9 @@
         if oldChild.nextSibling is not None:
             oldChild.nextSibling.previousSibling = oldChild.previousSibling
         if oldChild.previousSibling is not None:
-            oldChild.previousSibling.nextSibling = oldChild.nextSibling            
+            oldChild.previousSibling.nextSibling = oldChild.nextSibling
         oldChild.nextSibling = oldChild.previousSibling = None
-        
+
         if self._makeParentNodes:
             oldChild.parentNode = None
         return oldChild
@@ -261,7 +261,7 @@
     attributes = None
     ownerElement = None
     childNodeTypes = (Node.TEXT_NODE, Node.ENTITY_REFERENCE_NODE)
-    
+
     def __init__(self, qName, namespaceURI="", localName=None, prefix=None):
         # skip setattr for performance
         d = self.__dict__
@@ -391,7 +391,7 @@
     childNodeTypes = (Node.ELEMENT_NODE, Node.PROCESSING_INSTRUCTION_NODE,
                       Node.COMMENT_NODE, Node.TEXT_NODE,
                       Node.CDATA_SECTION_NODE, Node.ENTITY_REFERENCE_NODE)
-    
+
     def __init__(self, tagName, namespaceURI="", prefix="",
                  localName=None):
         Node.__init__(self)
@@ -486,10 +486,10 @@
 
     def hasAttribute(self, name):
         return self._attrs.has_key(name)
-                     
+
     def hasAttributeNS(self, namespaceURI, localName):
-        return self._attrsNS.has_key((namespaceURI, localName))    
-        
+        return self._attrsNS.has_key((namespaceURI, localName))
+
     def getElementsByTagName(self, name):
         return _getElementsByTagNameHelper(self, name, [])
 
@@ -526,7 +526,7 @@
     nodeName = "#comment"
     attributes = None
     childNodeTypes = ()
-    
+
     def __init__(self, data):
         Node.__init__(self)
         self.data = self.nodeValue = data
@@ -538,7 +538,7 @@
     nodeType = Node.PROCESSING_INSTRUCTION_NODE
     attributes = None
     childNodeTypes = ()
-    
+
     def __init__(self, target, data):
         Node.__init__(self)
         self.target = self.nodeName = target
@@ -552,7 +552,7 @@
     nodeName = "#text"
     attributes = None
     childNodeTypes = ()
-    
+
     def __init__(self, data):
         if type(data) not in _StringTypes:
             raise TypeError, "node contents must be a string"
@@ -670,7 +670,7 @@
         oldChild.parentNode = None
         if self.documentElement is oldChild:
             self.documentElement = None
-             
+
         return oldChild
 
     def _get_documentElement(self):
diff --git a/Lib/xml/dom/pulldom.py b/Lib/xml/dom/pulldom.py
index fd26787..66794f3 100644
--- a/Lib/xml/dom/pulldom.py
+++ b/Lib/xml/dom/pulldom.py
@@ -36,7 +36,7 @@
 
     def pop(self):
         result = self.elementStack[-1]
-        del self.elementStack[-1] 
+        del self.elementStack[-1]
         return result
 
     def setDocumentLocator(self, locator):