It is possible that one of the prerequisites comes from smalltalkhub.com, as that site has been down for the last couple of days. On Sun, Jul 12, 2020, 15:53 G B via Pharo-users <pharo-users@lists.pharo.org> wrote:

I bought "Agile Artificial Intelligence in Pharo" and am using Pharo 8.0 64-bit. In the book it says you can download the source using:

Metacello new baseline: 'AgileArtificialIntelligence'; repository: 'github://Apress/agile-ai-in-pharo/src'; load.

Then it times out with: "MCSmalltalkhubRepository(MCRepository)>>error:" self

Could not load Athens-SVG-PeterUhnak.17.mcz: ZnHttpUnsuccessful: 503 Service Temporarily Unavailable

I am fairly new to Pharo and run into problems with documentation being old, for example, Pharo By Example. I realize it is difficult to keep books updated with the many changes in an active project. I'm fine with that.

However, how can a just published book have the source listed in its pages, but then not have it available?