@utilities.arguments_not_none<EOL><INDENT>def get_question_form_for_update(self, question_id):<DEDENT>
collection = JSONClientValidated('<STR_LIT>',<EOL>collection='<STR_LIT>',<EOL>runtime=self._runtime)<EOL>if not isinstance(question_id, ABCId):<EOL><INDENT>raise errors.InvalidArgument('<STR_LIT>')<EOL><DEDENT>document = collection.find_one({'<STR_LIT>': ObjectId(question_id.get_identifier())})<EOL>obj_form = objects.QuestionForm(osid_object_map=document['<STR_LIT>'],<EOL>runtime=self._runtime,<EOL>proxy=self._proxy)<EOL>self._forms[obj_form.get_id().get_identifier()] = not UPDATED<EOL>return obj_form<EOL>
Gets the question form for updating an existing question.

        A new question form should be requested for each update
        transaction.

        arg:    question_id (osid.id.Id): the ``Id`` of the ``Question``
        return: (osid.assessment.QuestionForm) - the question form
        raise:  NotFound - ``question_id`` is not found
        raise:  NullArgument - ``question_id`` is ``null``
        raise:  OperationFailed - unable to complete request
        raise:  PermissionDenied - authorization failure occurred
        *compliance: mandatory -- This method must be implemented.*