A part of the street rue Androuet in 75018 Paris had been turned into a period film set in February 2020, but on the 17th of March 2020, France went into lockdown and on the night of 10th of May 2020, a thunderstorm hit the city, so for 2 months, the street was trapped in time and the set slowly destroyed. They had to be recreated after end of lockdown, 11th of May 2020, so shooting can finally start on the week of 1st of June 2020.
The film set of " Adieu Monsieur Haffman" has been stopped because of coronavirus Paris lockdown. the streets have been stuck in 1942 during Two months. 2 months and a half later the film will be back on tracks with huge sanitary conditions. It is one of the first shoot post covid.
At the beginning of the movie it is mentioned the scene is taking place on May 41. Then a man is seen fixing a poster referring to a law dated June 41.