$ yen list
Traceback (most recent call last):
File "/usr/local/bin/yen", line 33, in <module>
sys.exit(load_entry_point('yen', 'console_scripts', 'yen')())
File "/app/src/yen/cli.py", line 22, in cli
versions = list(list_pythons())
File "/app/src/yen/github.py", line 46, in list_pythons
download_link_suffix = MACHINE_SUFFIX[platform.system()][platform.machine()]
KeyError: 'aarch64'