No! Thanks for the heads-up. There was a nice documentary about him a couple of years ago. I don't know how your French is, but the images are, of course, self-explanatory. https://vimeo.com/ondemand/harrygruyaert…
Then you should be fine with it! (I'm usually ok with French dialogue until they start mumbling and/or using obscure gangster slang, neither of which applies here)