diff options
Diffstat (limited to 'lib/sqlalchemy/attributes.py')
| -rw-r--r-- | lib/sqlalchemy/attributes.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/sqlalchemy/attributes.py b/lib/sqlalchemy/attributes.py index 5e2226e9d..724f1c807 100644 --- a/lib/sqlalchemy/attributes.py +++ b/lib/sqlalchemy/attributes.py @@ -573,7 +573,7 @@ class AttributeManager(object): if not isinstance(class_, type): raise repr(class_) + " is not a type" for key in dir(class_): - value = getattr(class_, key) + value = getattr(class_, key, None) if isinstance(value, InstrumentedAttribute): yield value |