установить dxpy с pip в Ubuntu 19.04

Я пытаюсь установить пакет pip с именем dxpy в Ubuntu 19.04. В прошлом, в Ubuntu 16.04, я делал это с помощью pip, но следующее не работает в Ubuntu 19.04, см. Ниже. Есть идеи?

albert_vilella_cegx_co_uk@avilella-ubuntu1904-bwamem2:~/Downloads$ sudo apt install -y python-pip
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package python-pip is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'python-pip' has no installation candidate
albert_vilella_cegx_co_uk@avilella-ubuntu1904-bwamem2:~/Downloads$ sudo apt install -y python3-pip
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package python3-pip
albert_vilella_cegx_co_uk@avilella-ubuntu1904-bwamem2:~/Downloads$ sudo pip install  dxpy 
sudo: pip: command not found