=== modified file 'src/mailman/rest/lists.py'
--- src/mailman/rest/lists.py	2011-06-16 20:46:02 +0000
+++ src/mailman/rest/lists.py	2011-08-12 23:22:56 +0000
@@ -50,17 +50,12 @@
 
     e.g. /member/aperson@example.org
     """
-    if len(segments) != 2:
-        return None
-    try:
-        role = MemberRole[segments[0]]
-    except ValueError:
-        # Not a valid role.
+    if len(segments) != 2 or segments[0] != 'member':
         return None
     # No more segments.
     # XXX 2010-02-25 barry Matchers are undocumented in restish; they return a
     # 3-tuple of (match_args, match_kws, segments).
-    return (), dict(role=role, address=segments[1]), ()
+    return (), dict(address=segments[1]), ()
 
 
 @restish_matcher
@@ -145,11 +140,14 @@
         return no_content()
 
     @resource.child(member_matcher)
-    def member(self, request, segments, role, address):
+    def member(self, request, segments, address):
         """Return a single member representation."""
         if self._mlist is None:
             return http.not_found()
-        return AMember(self._mlist, role, address)
+        member = self._mlist.members.get_member(address)
+        if member is None:
+            return http.not_found()
+        return AMember(member._member_id)
 
     @resource.child(roster_matcher)
     def roster(self, request, segments, role):