=> 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 py38-solo1-0.1.1nb1
* Building wheel...
Traceback (most recent call last):
  File "/usr/pkg/lib/python3.8/site-packages/pyproject_hooks/_in_process/_in_process.py", line 353, in <module>
    main()
  File "/usr/pkg/lib/python3.8/site-packages/pyproject_hooks/_in_process/_in_process.py", line 335, in main
    json_out['return_val'] = hook(**hook_input['kwargs'])
  File "/usr/pkg/lib/python3.8/site-packages/pyproject_hooks/_in_process/_in_process.py", line 251, in build_wheel
    return _build_backend().build_wheel(wheel_directory, config_settings,
  File "/usr/pkg/lib/python3.8/site-packages/pyproject_hooks/_in_process/_in_process.py", line 77, in _build_backend
    obj = import_module(mod_path)
  File "/usr/pkg/lib/python3.8/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
  File "<frozen importlib._bootstrap>", line 991, in _find_and_load
  File "<frozen importlib._bootstrap>", line 961, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
  File "<frozen importlib._bootstrap>", line 991, in _find_and_load
  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 671, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 843, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/usr/pkg/lib/python3.8/site-packages/flit/__init__.py", line 12, in <module>
    from .config import ConfigError
  File "/usr/pkg/lib/python3.8/site-packages/flit/config.py", line 5, in <module>
    from .validate import validate_config
  File "/usr/pkg/lib/python3.8/site-packages/flit/validate.py", line 12, in <module>
    from .vendorized.readme.rst import render
  File "/usr/pkg/lib/python3.8/site-packages/flit/vendorized/readme/rst.py", line 24, in <module>
    from docutils.writers.html4css1 import HTMLTranslator, Writer
  File "/usr/pkg/lib/python3.8/site-packages/docutils/writers/html4css1/__init__.py", line 21, in <module>
    from docutils.writers import _html_base
  File "/usr/pkg/lib/python3.8/site-packages/docutils/writers/_html_base.py", line 34, in <module>
    from docutils.utils.math import (latex2mathml, math2html, tex2mathml_extern,
  File "/usr/pkg/lib/python3.8/site-packages/docutils/utils/math/latex2mathml.py", line 311, in <module>
    'dbinom': layout_styles['displaystyle'] | {'linethickness': 0},
TypeError: unsupported operand type(s) for |: 'dict' and 'dict'

ERROR Backend subprocess exited when trying to invoke build_wheel
*** Error code 1

Stop.
make[1]: stopped in /amd/pkgsrc/CHROOT/P/pkgsrc/security/py-solo1
*** Error code 1

Stop.
make: stopped in /amd/pkgsrc/CHROOT/P/pkgsrc/security/py-solo1