Silence the failure of test_pyclbr after adding a property in sre_parse

(issue #814253).

Lib/test/test_pyclbr.py

@@ -180,7 +180,7 @@ class PyclbrTest(TestCase):
         cm('pickle')
         cm('aifc', ignore=('openfp',))  # set with = in module
         cm('Cookie')
-        cm('sre_parse', ignore=('dump',)) # from sre_constants import *
+        cm('sre_parse', ignore=('dump', 'groups')) # from sre_constants import *; property
         cm('pdb')
         cm('pydoc')