i18n translate messages from validators

[Daniel Crisan]

I'm using the instructions from http://webpy.org/cookbook/runtime-language-switch . However, I'm unable to translate text from validators added to a form. Does anybody knows how can I do this?

I only have to setup some language at login and then use the same language. All works except the text from validators:

 form.Validator(_("not_empty"), lambda x:len(x)>0),

returns

 NameError: name '_' is not defined

Thank you

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