libboost-numpy-dev 1.71.0.0ubuntu1 (armhf binary) in ubuntu focal

 This package forms part of the Boost C++ Libraries collection.
 .
 The Boost Python library enables exporting a C++ library to Python.
 The NumPy extensions lets the C++ code interact with NumPy types.
 .
 This package allows development of a Python interface for all current
 versions of Python in Debian. Code using this library will need also
 one of the Python development packages.
 .
 This package is a dependency package, which depends on Debian's default
 Boost version (currently 1.71).