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
diff --git a/Lib/test/test_tcl.py b/Lib/test/test_tcl.py
index fa170ef..4255d8a 100644
--- a/Lib/test/test_tcl.py
+++ b/Lib/test/test_tcl.py
@@ -107,7 +107,7 @@
         filename = "doesnotexists"
         try:
             os.remove(filename)
-        except Exception,e:
+        except Exception as e:
             pass
         self.assertRaises(TclError,tcl.evalfile,filename)