Install failing on macOS Big Sur 11.4 (arm64)

[zazazack]

argon2_install_macos-bigsur11.4-arm64-2021-06-05.log try_to_install_argon2.sh.txt

> jupyter lab
Traceback (most recent call last):
  File "/Users/zacharywilson/.pyenv/versions/3.9.5/bin/jupyter-lab", line 5, in <module>
    from jupyterlab.labapp import main
  File "/Users/zacharywilson/.pyenv/versions/3.9.5/lib/python3.9/site-packages/jupyterlab/__init__.py", line 7, in <module>
    from .labapp import LabApp
  File "/Users/zacharywilson/.pyenv/versions/3.9.5/lib/python3.9/site-packages/jupyterlab/labapp.py", line 15, in <module>
    from jupyterlab_server import slugify, WORKSPACE_EXTENSION
  File "/Users/zacharywilson/.pyenv/versions/3.9.5/lib/python3.9/site-packages/jupyterlab_server/__init__.py", line 4, in <module>
    from .app import LabServerApp
  File "/Users/zacharywilson/.pyenv/versions/3.9.5/lib/python3.9/site-packages/jupyterlab_server/app.py", line 7, in <module>
    from jupyter_server.extension.application import ExtensionApp, ExtensionAppJinjaMixin
  File "/Users/zacharywilson/.pyenv/versions/3.9.5/lib/python3.9/site-packages/jupyter_server/extension/application.py", line 21, in <module>
    from jupyter_server.serverapp import ServerApp
  File "/Users/zacharywilson/.pyenv/versions/3.9.5/lib/python3.9/site-packages/jupyter_server/serverapp.py", line 80, in <module>
    from jupyter_server.auth.login import LoginHandler
  File "/Users/zacharywilson/.pyenv/versions/3.9.5/lib/python3.9/site-packages/jupyter_server/auth/__init__.py", line 1, in <module>
    from .security import passwd
  File "/Users/zacharywilson/.pyenv/versions/3.9.5/lib/python3.9/site-packages/jupyter_server/auth/security.py", line 15, in <module>
    import argon2
  File "/Users/zacharywilson/.pyenv/versions/3.9.5/lib/python3.9/site-packages/argon2/__init__.py", line 5, in <module>
    from . import exceptions, low_level
  File "/Users/zacharywilson/.pyenv/versions/3.9.5/lib/python3.9/site-packages/argon2/low_level.py", line 17, in <module>
    from ._ffi import ffi, lib
ModuleNotFoundError: No module named 'argon2._ffi'