you have the same polymorphic_identity used for two different classes:
class BluePart(CommonPart):
__tablename__ = 'blue_part'
__mapper_args__ = {'polymorphic_identity': u'blue_part'}
cp_id = Column(Integer, ForeignKey(CommonPart.id), primary_key=True)
blue_property =
Hi,
I have a puzzling situation, exemplified in the included tarball.
Basically I need to augment a class with some special behavior that is not
present/desirable in the module where the class is defined. However, I find
an unexpected type returned by session.query in spite of what I pass to
