ftplib3 software package provides Library of callable ftp routines, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install ftplib3
ftplib3 is installed in your system.
Make ensure the ftplib3 package were installed using the commands given below,
$ sudo dpkg-query -l | grep ftplib3 *
You will get with ftplib3 package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Libraries |
| Package | ftplib3 |
| Version | 3.1-1-9 |
| Description | Library of callable ftp routines |
| Sub Section | libs |