Traceback (innermost last):
  Module ZPublisher.Publish, line 127, in publish
  Module ZPublisher.mapply, line 77, in mapply
  Module Products.PDBDebugMode.runcall, line 70, in pdb_runcall
  Module ZPublisher.Publish, line 47, in call_object
  Module a.a.a.exampleportlet, line 26, in __call__
  Module z3c.form.form, line 215, in __call__
  Module z3c.form.form, line 208, in update
  Module z3c.form.form, line 149, in update
  Module z3c.form.form, line 129, in updateWidgets
  Module zope.component._api, line 111, in getMultiAdapter
ComponentLookupError: ((<Products.Five.metaclass.AddForm object at 0xb4f1dec>, <HTTPRequest, URL=http://localhost:8080/Plone3/++contextportlets++plone.leftcolumn/+/a.a.a.ExamplePortlet>, <+ at /Plone3/++contextportlets++plone.leftcolumn/+>), <InterfaceClass z3c.form.interfaces.IWidgets>, u'')