AttributeError in undefined message doesn't cause RuntimeError

1 files changed, 7 insertions, 3 deletions

diff --git a/src/jinja2/utils.py b/src/jinja2/utils.py
index e3285e8e..94581ca8 100644
--- a/src/jinja2/utils.py
+++ b/src/jinja2/utils.py
@@ -165,11 +165,15 @@ def object_type_repr(obj):
         return "None"
     elif obj is Ellipsis:
         return "Ellipsis"
+
+    cls = type(obj)
+
     # __builtin__ in 2.x, builtins in 3.x
-    if obj.__class__.__module__ in ("__builtin__", "builtins"):
-        name = obj.__class__.__name__
+    if cls.__module__ in ("__builtin__", "builtins"):
+        name = cls.__name__
     else:
-        name = obj.__class__.__module__ + "." + obj.__class__.__name__
+        name = cls.__module__ + "." + cls.__name__
+
     return "%s object" % name