'Update a specific flavor\'s extra specs.
This method returns HTTP 204 (no content) on success.'

@rest_utils.ajax(data_required=True)
def patch(self, request, flavor_id):

    if request.DATA.get('removed'):
        api.nova.flavor_extra_delete(request, flavor_id, request.DATA.get('removed'))
    api.nova.flavor_extra_set(request, flavor_id, request.DATA['updated'])
