The package golang-github-mattn-go-isatty 0.0.19-1 has been added to kali-rolling. It has been imported from Debian: https://tracker.debian.org/pkg/golang-github-mattn-go-isatty -- More information about golang-github-mattn-go-isatty: http://pkg.kali.org/pkg/golang-github-mattn-go-isatty