[Grok-dev] sources in forms - multiple select

[Thomas Bellembois]

Still the same error:
argument of type "ClassOfCompounds" is not  iterable

Jeroen Michiel wrote:
>
> Thomas Bellembois-3 wrote:
>   
>> Hello Jeroen,
>>
>> I want to build a select where I can select more than one value like you 
>> would do with checkboxes.
>>
>> Thomas
>>
>>
>>     
>
> I think you mean something like this:
> options = schema.List(title = u"Options", value_type =
> schema.Choice(source=MySource()))
>