=> 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-kaitaistruct-0.10nb1
=> Generating pre-install file lists
Traceback (most recent call last):
  File "/usr/pkg/lib/python3.9/runpy.py", line 197, in _run_module_as_main
  File "/usr/pkg/lib/python3.9/runpy.py", line 87, in _run_code
  File "/usr/pkg/lib/python3.9/site-packages/pip/__main__.py", line 29, in <module>
  File "/usr/pkg/lib/python3.9/site-packages/pip/_internal/cli/main.py", line 9, in <module>
  File "/usr/pkg/lib/python3.9/site-packages/pip/_internal/cli/autocompletion.py", line 10, in <module>
  File "/usr/pkg/lib/python3.9/site-packages/pip/_internal/cli/main_parser.py", line 9, in <module>
  File "/usr/pkg/lib/python3.9/site-packages/pip/_internal/build_env.py", line 17, in <module>
  File "/usr/pkg/lib/python3.9/site-packages/pip/_vendor/packaging/requirements.py", line 23, in <module>
ModuleNotFoundError: No module named 'pip._vendor.packaging.markers'
*** Error code 1

Stop.
make[1]: stopped in /amd/pkgsrc/CHROOT/P/pkgsrc/devel/py-kaitaistruct
*** Error code 1

Stop.
make: stopped in /amd/pkgsrc/CHROOT/P/pkgsrc/devel/py-kaitaistruct