def _check_editable_fields(cc_content, data, context):
 _check_fields(get_editable_fields(cc_content, context), data, 'This field is not editable.')

def _check_editable_fields ( cc_content , data , context ) : _check_fields ( get_editable_fields ( cc_content , context ) , data , 'This field is not editable.' )
raise validationerror if the given update data contains a field that is not editable by the requesting user .