The last step is to modify the package to include the static files used to define the user interface and add the additional entry point for launching the user interface.

Firstly, we will modify the entry_points option to include the unitconverter-ui command, as follows:

entry_points = {
    'console_scripts': ['unitconvert=unitconverter.CLI:run_cli'],
    'gui_scripts': ['unitconverter-ui=unitconverter.gui:run_gui']
}

Next, we will add the package_data option to define the static files that we wish to include in the package:

package_data = {
    '': ['*.ui']
}

In this case, we are including any file with the .ui extension anywhere in the package.

Once the package has been modified, it can be installed using the following command:

sudo python setup.py install

When this completes, you can launch the UI using the following command. Note that you may need...