nosetests3 command not found

Introduction

When you run more command in linux terminal / console, you get the following error message

nosetests3: command not found

or when using sudo you get the following error message

sudo: nosetests3: command not found

Solutions to nosetests3: command not found

How To Fix nosetests3: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu nosetests3 is provided by python3-nose package.

python3-nose is:

nose provides an alternate test discovery and running process for Python3 unittest, one that is intended to mimic the behavior of py.test as much as is reasonably possible without resorting to too much magic

To fix this problem, we can install more using the command below.

sudo apt-get -y install python3-nose

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install python3-nose.

sudo apt -y install python3-nose

Or if you have aptitude installed you can use the following command.

sudo aptitude install python3-nose

Summary

In this tutorial we learn how to fix nosetests3 command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.