Update expected files for older Python versions

neglected in commit fa03769

Author: petere

src/pl/plpython/expected/plpython_subtransaction_0.out

@@ -128,7 +128,7 @@ with plpy.subtransaction():
     except plpy.SPIError, e:
         if not swallow:
             raise
-        plpy.notice("Swallowed %r" % e)
+        plpy.notice("Swallowed %s(%r)" % (e.__class__.__name__, e.args[0]))
 return "ok"
 $$ LANGUAGE plpythonu;
 ERROR:  could not compile PL/Python function "subtransaction_nested_test"

src/pl/plpython/expected/plpython_subtransaction_5.out

@@ -128,7 +128,7 @@ with plpy.subtransaction():
     except plpy.SPIError, e:
         if not swallow:
             raise
-        plpy.notice("Swallowed %r" % e)
+        plpy.notice("Swallowed %s(%r)" % (e.__class__.__name__, e.args[0]))
 return "ok"
 $$ LANGUAGE plpythonu;
 ERROR:  could not compile PL/Python function "subtransaction_nested_test"