Use pyramid.util.Sentinel and update changelog

CHANGES.rst

@@ -11,6 +11,9 @@ Features
 
 - Coverage reports in tests based on Python 3.11 instead of Python 3.8.
 
+- Added `LIFT` sentinel value that may be used for context and name arguments
+  to view_config on class methods in conjunction with venusian lift.
+
 Bug Fixes
 ---------
 

src/pyramid/config/views.py

@@ -573,8 +573,8 @@ def wrapper(context, request):
 
           The :term:`view name`.  Read :ref:`traversal_chapter` to
           understand the concept of a view name. When :term:`view` is a class,
-          the sentinel value view.LIFT will cause the :term:`attr` value to be
-          copied to name (useful with view_defaults to reduce boilerplate).
+          the sentinel value view.LIFT will cause the attr value to be copied
+          to name (useful with view_defaults to reduce boilerplate).
 
         context
 

src/pyramid/view.py

@@ -20,10 +20,10 @@
     IViewClassifier,
 )
 from pyramid.threadlocal import get_current_registry, manager
-from pyramid.util import hide_attrs, reraise as reraise_
+from pyramid.util import Sentinel, hide_attrs, reraise as reraise_
 
 _marker = object()
-LIFT = object()
+LIFT = Sentinel('LIFT')
 
 
 def render_view_to_response(context, request, name='', secure=True):