pygrun command not found

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

Introduction

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

pygrun: command not found

or when using sudo you get the following error message

sudo: pygrun: command not found

In Ubuntu pygrun is provided by python3-antlr4 package.

python3-antlr4 is:

Provides the Python3 runtime for parsers/lexers generated by ANTLR 4.

Also known as “antlr4-python3-runtime”.

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

sudo apt-get -y install python3-antlr4

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

You can also use apt command to install python3-antlr4.

sudo apt -y install python3-antlr4

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

sudo aptitude install python3-antlr4

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