dh_python3 command not found

In this troubleshooting guide we learn how to fix dh_python3 command not found error message

Introduction

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

dh_python3: command not found

or when using sudo you get the following error message

sudo: dh_python3: command not found

In Ubuntu dh_python3 is provided by dh-python package.

dh-python is:

This package contains:

pybuild - invokes various build systems for requested Python versions in order to build modules and extensions
dh_python2 - calculates Python 2.X dependencies for Debian packages, adds maintainer scripts to byte compile files, etc.
dh_python3 - calculates Python 3.X dependencies for Debian packages, adds maintainer scripts to byte compile files, etc.
dh_pypy - calculates PyPy dependencies for Debian packages, adds maintainer scripts to byte compile files, etc.

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

sudo apt-get -y install dh-python

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

You can also use apt command to install dh-python.

sudo apt -y install dh-python

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

sudo aptitude install dh-python

In this tutorial we learn how to fix dh_python3 command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.