You would not need separate packages to do that (in fact, you can't do this with separate packages because dpkg will complain if two packages provide the same f

You would not need separate packages to do that (in fact, you can't do this with separate packages because dpkg will complain if two packages provide the same file). sudo update-alternatives --set python3 /usr/bin/python3-nogil sudo update-alternatives --set python /usr/bin/python3