def default_formfield_for_dbfield(model_admin, db_field, form_field,
    request, **kwargs):
    """
    A system wide hook to change how db_field are displayed as formfields
    :param model_admin: the ModelAdmin instance
    :param db_field: db_field
    :param form_field: the default form_field
    :param request: the current request

    :return: form_field to be used
    """
    return form_field
