I first saw this film when I was staying near Paris in 2014. The cinema was packed and the audience were almost delirious with laughter. At that time my French wasn't up to understanding much of the dialogue, although the story is so self-evident that it almost didn't matter. I awaited the day that an English subtitled version would appear, but as far as I can tell it was never released.
It seems that a subtitled version wasn't released because English speaking audiences "would never allow themselves these days to laugh at Blacks, Jews or Asians." Our loss, as this is an extremely funny film.