On Apr 8, 2008, at 6:56 AM, Sanjay wrote:
>
> Hi,
>
> In a project, I am using MapperExtension this way:
>
> class TaskExtension(MapperExtension):
> def populate_instance(self, mapper, selectcontext, row, instance,
> **flags):
> mapper.populate_instance(selectcontext, row, instance,
> **flags)
> instance.on_load() # does some custom initialization
>
> It gives me the following exception:
>
> TypeError: ("'Task' object is unsubscriptable"...
>
its a simple argument-passing error. would need to see a full stack
trace to see what argument is being mis-interpreted and by whom.
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