=> Bootstrap dependency digest>=20211023: found digest-20220214
===> Skipping vulnerability checks.
WARNING: No /usr/pkg/pkgdb/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /usr/pkg/pkgdb fetch-pkg-vulnerabilities'.
===> Installing for py39-pbr-6.0.0
=> Generating pre-install file lists
Could not find platform dependent libraries <exec_prefix>
Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]
Could not import runpy module
Traceback (most recent call last):
  File "/usr/pkg/lib/python3.9/runpy.py", line 14, in <module>
    import importlib.machinery # importlib first so we can test #15386 via -m
ModuleNotFoundError: No module named 'importlib'
*** Error code 1

Stop.
make[1]: stopped in /usr/pkgsrc/devel/py-pbr
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/devel/py-pbr