$ tox -e py314
py314: commands[0]> pytest --cov=lz4/block --cov=lz4/frame --tb=long tests/block tests/frame
ImportError while loading conftest '/home/ksurma/dev/python-lz4/tests/frame/conftest.py'.
tests/frame/conftest.py:2: in <module>
    import lz4.frame as lz4frame
lz4/frame/__init__.py:30: in <module>
    from . import _compression
E   ImportError: cannot import name '_compression' from partially initialized module 'lz4.frame' (most likely due to a circular import) (/home/ksurma/dev/python-lz4/lz4/frame/__init__.py)

$ python                      
>>> import lz4.frame as lz4frame
Traceback (most recent call last):
  File "/home/ksurma/dev/python-lz4/lz4/frame/__init__.py", line 28, in <module>
    import _compression   # Python 3.6 and later
    ^^^^^^^^^^^^^^^^^^^
ModuleNotFoundError: No module named '_compression'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<python-input-0>", line 1, in <module>
    import lz4.frame as lz4frame
  File "/home/ksurma/dev/python-lz4/lz4/frame/__init__.py", line 30, in <module>
    from . import _compression
ImportError: cannot import name '_compression' from partially initialized module 'lz4.frame' (most likely due to a circular import) (/home/ksurma/dev/python-lz4/lz4/frame/__init__.py)