gunicorn3 software package provides Event-based HTTP/WSGI server (Python 3 version), you can install in your Ubuntu 17.04 (Zesty Zapus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install gunicorn3
gunicorn3 is installed in your system.
Make ensure the gunicorn3 package were installed using the commands given below,
$ sudo dpkg-query -l | grep gunicorn3 *
You will get with gunicorn3 package name, version, architecture and description in a table
| Distro | Ubuntu 17 04 zesty zapus |
| Section | Web Servers |
| Package | gunicorn3 |
| Version | 19.6.0-9 |
| Description | Event-based HTTP/WSGI server (Python 3 version) |
| Sub Section | HTTPD |