Make code compatible with Python 3.10

[GitHub pull_request - opened]

alsa-project/alsa-lib pull request #210 was opened from ginggs:

As noted in bpo-30459, PyTuple_SET_ITEM() does not return a value.

https://bugs.python.org/issue30459

Request URL   : https://github.com/alsa-project/alsa-lib/pull/210
Patch URL     : https://github.com/alsa-project/alsa-lib/pull/210.patch
Repository URL: https://github.com/alsa-project/alsa-lib