=> 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'.
===> Building for py311-tornado-6.4.1
Could not find platform dependent libraries <exec_prefix>
Could not import runpy module
Traceback (most recent call last):
  File "<frozen runpy>", line 15, in <module>
  File "<frozen importlib.util>", line 18, in <module>
  File "/usr/pkg/lib/python3.11/threading.py", line 9, in <module>
    from _weakrefset import WeakSet
ModuleNotFoundError: No module named '_weakrefset'
*** Error code 1

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

Stop.
make: stopped in /usr/pkgsrc/www/py-tornado