fix test with new pillow (manual control before commit)
fix test with new pillow (manual control before commit)

makinacorpus/Geotrek,GeotrekCE/Geotrek-admin,makinacorpus/Geotrek,makinacorpus/Geotrek,GeotrekCE/Geotrek-admin,makinacorpus/Geotrek,GeotrekCE/Geotrek-admin,GeotrekCE/Geotrek-admin