pyproject.toml. Previous versions would load the backend and
then check that it was loaded from the specified path; the new
version only loads it from the specified path. The
BackendInvalid exception is now a synonym for
:exc:`BackendUnavailable`, and code should move to using the
latter name.
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-pyproject-hooks?expand=0&rev=7