The following command fails `RcppEigen::RcppEigen.package.skeleton(example_code = FALSE)` with > Calling kitten to create basic package. Error in (function (name = "anRpackage", path = ".", author, maintainer, : unused argument (example_code = FALSE) > >Error in value[[3L]](cond) : error while calling `kitten` It fails only if `pkgKitten` is installed