diff options
Diffstat (limited to 'lib/sqlalchemy/sql/util.py')
| -rw-r--r-- | lib/sqlalchemy/sql/util.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql/util.py b/lib/sqlalchemy/sql/util.py index 43673eaec..1b90a457f 100644 --- a/lib/sqlalchemy/sql/util.py +++ b/lib/sqlalchemy/sql/util.py @@ -276,7 +276,9 @@ def _deep_annotate(element, annotations, exclude=None): def clone(elem): # check if element is present in the exclude list. # take into account proxying relationships. - if exclude and elem.proxy_set.intersection(exclude): + if exclude and \ + hasattr(elem, 'proxy_set') and \ + elem.proxy_set.intersection(exclude): elem = elem._clone() elif annotations != elem._annotations: elem = elem._annotate(annotations.copy()) |