fix strange errors in team request
fix strange errors in team request

France-ioi/bebras-platform,be-oi/beoi-contest-platform,be-oi/beoi-contest-platform,France-ioi/bebras-platform,be-oi/beoi-contest-platform,France-ioi/bebras-platform,be-oi/beoi-contest-platform,France-ioi/bebras-platform,France-ioi/bebras-platform,France-ioi/bebras-platform,be-oi/beoi-contest-platform,be-oi/beoi-contest-platform