python3.6:/usr/local/lib/python3.6/site-packages/bjoern-2.2.3-py3.6-openbsd-6.4-amd64.egg/_bjoern.so: undefined symbol 'sendfile'
Traceback (most recent call last):
  File "hello.py", line 1, in <module>
    import bjoern
  File "/usr/local/lib/python3.6/site-packages/bjoern-2.2.3-py3.6-openbsd-6.4-amd64.egg/bjoern.py", line 3, in <module>
    import _bjoern
ImportError: Cannot load specified object