Update helpers.py

flask_restless/helpers.py

@@ -126,8 +126,8 @@ def get_related_model(model, relationname):
         if hasattr(attr, 'property') \
                 and isinstance(attr.property, RelProperty):
             return attr.property.mapper.class_
-    if isinstance(attr, AssociationProxy):
-        return get_related_association_proxy_model(attr)
+        if isinstance(attr, AssociationProxy):
+            return get_related_association_proxy_model(attr)
     return None
 
 

tests/test_views.py

@@ -79,6 +79,16 @@ class Pet(db.Model):
             id = db.Column(db.Integer, primary_key=True)
             ownerid = db.Column(db.Integer, db.ForeignKey(User.id))
             owner = db.relationship(User, backref=db.backref('pets'))
+
+            @hybrid_property
+            def hybrid_owner_id(self):
+                if self.owner:
+                    return self.owner.id
+                else:
+                    return None
+            @hybrid_owner_id.expression
+            def hybrid_owner_id(cls):
+                return cls.ownerid
 
         class LazyUser(db.Model):
             id = db.Column(db.Integer, primary_key=True)