https://docs.scipy.org/doc/scipy/release.1.7.1.html

scipy has a new build requirement: pythran https://github.com/scipy/scipy/blob/master/pyproject.toml

[build-system]
requires = [
    "wheel",
    "setuptools",
    "Cython>=0.29.18",
    "pybind11>=2.4.3",
    "pythran>=0.9.11",

Depends on #32488

CC: @kiwifb @antonio-rojas @dimpase @kliem

Component: packages: standard

Author: Matthias Koeppe, Jonathan Kliem

Branch/Commit: 6f5b6f7

Reviewer: François Bissey, Dima Pasechnik, Matthias Koeppe

Issue created by migration from https://trac.sagemath.org/ticket/32105