AttributeError: 'Namespace' object has no attribute 'CARTO_BASE_URL

[kareemzok]

Hello,

I m using in the below link the export all maps example :
https://carto.com/developers/python-sdk/examples/#example-export-all-maps

But when I run the script after setting the arg the following error :

AttributeError: 'Namespace' object has no attribute 'CARTO_BASE_URL'