Translate the following English sentence to French:
"The only thing we hope, Commissioner, is that we do not have to review the regulation again within a year, because this would mean that both we and the European Commission had once again made a mistake in our calculations."
Nous espérons, Monsieur le Commissaire qu' il ne faudra pas réviser le règlement dans un an auquel cas la Commission européenne et nous-mêmes nous serions trompés dans nos calculs.