diff --git a/novaclient/base.py b/novaclient/base.py
index a401dcd25..d1cbf8a5f 100644
--- a/novaclient/base.py
+++ b/novaclient/base.py
@@ -181,6 +181,9 @@ class ManagerWithFind(Manager):
 
         return found
 
+    def list(self):
+        raise NotImplementedError
+
 
 class BootingManagerWithFind(ManagerWithFind):
     """Like a `ManagerWithFind`, but has the ability to boot servers."""