Re-indent.
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):