[Grok-dev] Upgrade problem "type object 'IRole' has no attribute '__iro__'"

Sebastian Ware sebastian at urbantalk.se
Wed May 28 06:43:11 EDT 2008

My problem is that this prevents me from updating my customers project  
without exporting and importing all the data, something that isn't  
very easy at the current state of Grok.

I hope someone can give me some hints on this.

Mvh Sebastian

28 maj 2008 kl. 12.02 skrev Wichert Akkerman:

> Previously Sebastian Ware wrote:
>> When upgrading a live grok-0.10 app to grok-0.12 I get the following
>> error:
>>  AttributeError: type object 'IRole' has no attribute '__iro__'
>> I am guessing it has to do with the move of zope.securitypolicy, but
>> how do I resolve this?
> The last few times I've seen that __iro__ error it apparently had
> something to do with persisted interface. I've never been able to  
> find a
> fix for it, or reliably reproduce it.
> Wichert.
> -- 
> Wichert Akkerman <wichert at wiggy.net>    It is simple to make things.
> http://www.wiggy.net/                   It is hard to make things  
> simple.

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