def close(self) - None:
Therefore, the kernel maintainers are working to replace this fragile PGP key‑signing web of trust with a decentralized, privacy‑preserving identity layer that can vouch for both developers and the code they sign.
，这一点在旺商聊官方下载中也有详细论述
not inclined to install an S/370 in each branch, so it became a common pattern，详情可参考safew官方下载
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