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-rw-r--r--lib/sqlalchemy/ext/associationproxy.py2
-rw-r--r--lib/sqlalchemy/orm/instrumentation.py5
2 files changed, 5 insertions, 2 deletions
diff --git a/lib/sqlalchemy/ext/associationproxy.py b/lib/sqlalchemy/ext/associationproxy.py
index 9a8294f3c..32dee79c6 100644
--- a/lib/sqlalchemy/ext/associationproxy.py
+++ b/lib/sqlalchemy/ext/associationproxy.py
@@ -93,7 +93,7 @@ ASSOCIATION_PROXY = util.symbol("ASSOCIATION_PROXY")
class AssociationProxy(interfaces.InspectionAttrInfo):
"""A descriptor that presents a read/write view of an object attribute."""
- is_attribute = False
+ is_attribute = True
extension_type = ASSOCIATION_PROXY
def __init__(
diff --git a/lib/sqlalchemy/orm/instrumentation.py b/lib/sqlalchemy/orm/instrumentation.py
index 7cf46227f..ee0cc0600 100644
--- a/lib/sqlalchemy/orm/instrumentation.py
+++ b/lib/sqlalchemy/orm/instrumentation.py
@@ -143,7 +143,10 @@ class ClassManager(dict):
for key in set(supercls.__dict__).difference(exclude):
exclude.add(key)
val = supercls.__dict__[key]
- if isinstance(val, interfaces.InspectionAttr):
+ if (
+ isinstance(val, interfaces.InspectionAttr)
+ and val.is_attribute
+ ):
yield key, val
def _get_class_attr_mro(self, key, default=None):