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-rw-r--r--repoze/bfg/renderers.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/repoze/bfg/renderers.py b/repoze/bfg/renderers.py
index 7d36984ad..00413e3fe 100644
--- a/repoze/bfg/renderers.py
+++ b/repoze/bfg/renderers.py
@@ -249,7 +249,7 @@ class RendererHelper(object):
@reify
def renderer(self):
if self.factory is None:
- raise ValueError('No such renderer factory %s' % self.renderer_type)
+ raise ValueError('No such renderer factory %s' % str(self.renderer_type))
return self.factory(self.renderer_name)
def resolve_spec(self, path_or_spec):