Python-3.12.10 venv has extra parentheses

Is there some reason why my python 3.12.10 venv has a default prompt that has extra parentheses? I compared activate against python 3.13.3 and see these diffs $ diff -U2 .py31{2,3}/bin/activate --- .py312/bin/activate 2025-04-16 19:29:10.556166280 +0100 +++ .py313/bin/activate 2025-04-11 11:10:30…