Catmandu | data processing toolkit developed by Ghent University | CSV Processing library

The issue you have is that you're copying the integer counting the number of clones when you pass it with **props to the new instance's __init__ method. From then on, there's no connection maintaining the count between generations. Each clone parent and their clone child will start with the same count, but others in the lineage will count separately.

To fix that, you'll need to have all instances derived from the same original cat linked to a single source where the count lives. I think the first uncloned cat (the "progenitor" of the lineage) is the most natural place for it to live, but you can do otherwise (for instance, you could create a separate Lineage class). Here's how I'd do it: