Revert 6873, as it introduces an unnecessary providedBy for each request in the 99% case, and its behavior can be emulated by returning a root object that implements some interface and registering a traverser for that interface.

1 files changed, 3 insertions, 6 deletions

diff --git a/repoze/bfg/traversal.py b/repoze/bfg/traversal.py
index 580225566..11e5ca806 100644
--- a/repoze/bfg/traversal.py
+++ b/repoze/bfg/traversal.py
@@ -273,12 +273,9 @@ def traverse(model, path):
     return _traverse(model, {'PATH_INFO':path})
 
 def _traverse(model, environ):
-    if ITraverser.providedBy(model):
-        traverser = model
-    else:
-        traverser = queryAdapter(model, ITraverser)
-        if traverser is None:
-            traverser = ModelGraphTraverser(model)
+    traverser = queryAdapter(model, ITraverser)
+    if traverser is None:
+        traverser = ModelGraphTraverser(model)
 
     result = traverser(environ)
     return result