SF patch 1631942 by Collin Winter:

(a) "except E, V" -> "except E as V"
(b) V is now limited to a simple name (local variable)
(c) V is now deleted at the end of the except block

Lib/xml/sax/__init__.py

@@ -79,7 +79,7 @@ def make_parser(parser_list = []):
     for parser_name in parser_list + default_parser_list:
         try:
             return _create_parser(parser_name)
-        except ImportError,e:
+        except ImportError as e:
             import sys
             if parser_name in sys.modules:
                 # The parser module was found, but importing it

Lib/xml/sax/expatreader.py

@@ -205,7 +205,7 @@ class ExpatParser(xmlreader.IncrementalParser, xmlreader.Locator):
             # document. When feeding chunks, they are not normally final -
             # except when invoked from close.
             self._parser.Parse(data, isFinal)
-        except expat.error, e:
+        except expat.error as e:
             exc = SAXParseException(expat.ErrorString(e.code), e, self)
             # FIXME: when to invoke error()?
             self._err_handler.fatalError(exc)