Director Hugo Gélin’s latest comedy is a sugar-coated tale of a dyed-in-the-wool bachelor whose life changes dramatically when he is literally left holding the baby.  It initially smacks of Coline Serreau’s 3 Hommes et Un Couffin  (Three Men and a Baby) as  Samuel  (Omar Sy) struggles to adapt to fatherhood, with its many demands and sacrifices.…