public function retirerCorrection($tp_id, $classe_id)
{
$return = true;
try {
$classe = Classe::findOrFail($classe_id);
$tp = $classe->tps()->where("tp_id", '=', $tp_id)->first();
$tp->pivot->corrige = false;
$tp->pivot->save();
} catch (Exception $e) {
$return = false;
}
return $return;
}
