Maintainer: ‘Jirka Lewandowski <jirka.lewandowski@wzb.eu>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Jirka",
                    family = "Lewandowski",
                    role = c("aut", "cre"),
                    email = "jirka.lewandowski@wzb.eu")
as necessary.
Maintainer: ‘Jirka Lewandowski <jirka.lewandowski@wzb.eu>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Jirka",
                    family = "Lewandowski",
                    role = c("aut", "cre"),
                    email = "jirka.lewandowski@wzb.eu")
as necessary.