<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_model_choices():
 """ Get the select options for the model selector :return: """

    result = []
    for ct in ContentType.objects.order_by('app_label', 'model'):
        try:
            if issubclass(ct.model_class(), TranslatableModel):
                result.append(
                    ('{} - {}'.format(ct.app_label, ct.model.lower()),
                     '{} - {}'.format(ct.app_label.capitalize(), ct.model_class()._meta.verbose_name_plural))
                )
        except TypeError:
            continue
    return result