[sqlalchemy] accepts_scalar_loader attribute of AttributeImpl() object - BUG?

Hi, can anybody please check this: I have some script using SA and somewhere in the script I call sess.merge(obj) and got this error: 'DynamicAttributeImpl' object has no attribute 'accepts_scalar_loader' I don't understand fully what 'accepts_scalar_loader' is, but, I tried to add this to

[sqlalchemy] Pickling/unpickling mapped class

Hi, I'm new in SQLAlchemy (and also in Python in fact), can anyone help me with this (maybe silly) problem, please (it's just experiments, so please don't say - use framework XY instead your solution): Situation: - I have SimpleXMLRPCServer up and running (based on xmlrpclib) - working ok. - I