Yes, but with preparation.
Director Olivier Peyon has verified in interviews that Besson was involved in the adaptation process and gave his blessing for the changes.
The film was officially nominated for four César Awards (the French Oscars), including Best Adaptation and Best Supporting Actor (Victor Belmondo), cementing its legitimacy in the industry.
. The film is an adaptation of the autobiographical 2017 novel of the same name by Philippe Besson