The 4th group is now 'invalid' instead of 'bogus'.
diff --git a/Lib/test/test_pep292.py b/Lib/test/test_pep292.py
index 377db7f..c22f59b 100644
--- a/Lib/test/test_pep292.py
+++ b/Lib/test/test_pep292.py
@@ -103,7 +103,7 @@
             (?P<escaped>@{2})                   |
             @(?P<named>[_a-z][._a-z0-9]*)       |
             @{(?P<braced>[_a-z][._a-z0-9]*)}    |
-            (?P<bogus>@)
+            (?P<invalid>@)
             """
         m = Mapping()
         m.bag = Bag()