>> not sure what the three get_history sublists are for... > > > (added, unchanged, deleted) = > attributes.get_history(myinstance._state, 'someattribute') > > three lists will never be None unless you call get_history() with > passive=True and lazyload would be needed. in a scalar context, what (added, unchanged, deleted) mean? setattr->added delattr->deleted ? so the old value is (deleted or unchanged)[0]?
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