+ curl -f --connect-timeout 5 --retry 3 --location https://files.pythonhosted.org/packages/source/c/cryptography/cryptography-46.0.6.tar.gz
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                                 Dload  Upload   Total   Spent    Left  Speed

  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0

  2  732k    2 17896    0     0  15363      0  0:00:48  0:00:01  0:00:47 15363
100  732k  100  732k    0     0   342k      0  0:00:02  0:00:02 --:--:--  732k
* Getting build dependencies for wheel...

Traceback (most recent call last):
  File "/immortalwrt/openwrt-25.12/staging_dir/hostpkg/lib/python3.13/site-packages/pyproject_hooks/_impl.py", line 402, in _call_hook
    raise BackendUnavailable(
    ...<4 lines>...
    )
pyproject_hooks._impl.BackendUnavailable: Cannot import 'maturin'

ERROR Backend 'maturin' is not available.
make[2]: *** [Makefile:55: /immortalwrt/openwrt-25.12/build_dir/target-arm_cortex-a9+neon_musl_eabi/pypi/cryptography-46.0.6/.built] Error 1
time: package/feeds/packages/python-cryptography/compile#1.06#0.14#3.33