If I do:

easy_install 
http://www.turbogears.org/2.0/downloads/2.0final/tw.forms-0.9.2.tar.gz

and modify the dependency in sprox-0.6.1, validation works again.

So, if anyone can point me to the documentation for the new validation
in tw.forms-0.9.7, it would be appreciated.

If I use the following code with tw.forms 0.9.6 (and with a base 2.0.1
install)

from tw.forms.validators import NotEmpty

rather than

from formencode.validators import NotEmpty

I receive:

>>  ${XML(field.display(value_for(field), **args_for(field)))}
Module tw.core.base:541 in display         view
<<          kw = self.prepare_dict(value, kw)
               self.register_resources()
               return super(Widget, self).display(**kw)

           def __call__(self, value=None, **kw):
>>  return super(Widget, self).display(**kw)
Module tw.core.view:237 in display         view
<<      def display(self, **kw):
               kw.setdefault('_', tw.framework.translator)
               return tw.framework.engines.display(self, **kw)
>>  return tw.framework.engines.display(self, **kw)
Module tw.core.view:30 in _renderer         view
<<          if template is None:
                   return
               origin = dynamic_best_engine(renderable, kw)
               destination = kw.get('displays_on',
renderable.displays_on)
               if origin != 'cheetah':
>>  origin = dynamic_best_engine(renderable, kw)
Module tw.core.view:202 in dynamic_best_engine         view
<<      else:
               best_engine = ideal_engine
           assert best_engine is not None
           return best_engine

>>  assert best_engine is not None
AssertionError:

Thanks.
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