$ sudo add-apt-repository ppa:ddstreet/lp1711407 Cannot add PPA: 'ppa:~ddstreet/ubuntu/lp1711407'. ERROR: '~ddstreet' user or team does not exist.
DISTRIB_ID=Ubuntu DISTRIB_RELEASE=16.04 DISTRIB_CODENAME=xenial DISTRIB_DESCRIPTION="Ubuntu 16.04.3 LTS"
$ sudo add-apt-repository ppa:ddstreet/ lp1711407 ubuntu/ lp1711407' .
Cannot add PPA: 'ppa:~ddstreet/
ERROR: '~ddstreet' user or team does not exist.
DISTRIB_ID=Ubuntu RELEASE= 16.04 CODENAME= xenial DESCRIPTION= "Ubuntu 16.04.3 LTS"
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