With a near-fresh installation of NomadBSD (somewhat outdated FreeBSD 12.1-RELEASE-p6):
pkg install bashtop
– does not result in installation of python3. The subsequent run of bashtop reports:
Error: Missing python3!
(python37 is present, but not python3.)
Side note: I'm also aware of the https://github.com/aristocratos/bashtop/blob/9f8a1334933981ceb97f7daa90187e2f2fc70a13/README.md#L15 encouragement to use bpytop instead of bashtop.
(bpytop does run without python3.)