guiqwt-tests command not found

Introduction

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

guiqwt-tests: command not found

or when using sudo you get the following error message

sudo: guiqwt-tests: command not found

Solutions to guiqwt-tests: command not found

How To Fix guiqwt-tests: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu guiqwt-tests is provided by python3-guiqwt package.

python3-guiqwt is:

The guiqwt Python library provides efficient 2D data-plotting features (curve/image visualization and related tools) for signal/image processing application development and interactive computing. It’s based on the scientific modules NumPy and SciPy, and the PyQwt plotting widgets for PyQt4 graphical user interfaces.

This is the Python 3 version of the package.

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

sudo apt-get -y install python3-guiqwt

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

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

sudo apt -y install python3-guiqwt

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

sudo aptitude install python3-guiqwt

Summary

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