/etc is also writable, but it’s managed a bit differently. OSTree uses a technique called “etc overlay” to handle modifications in /etc. When an update is applied, OSTree compares files in the new version with those in /etc and applies changes intelligently, preserving local modifications as much as possible.
That’s when a family friend suggested a different route: an electrical apprenticeship. Bowman investigated—and it felt like a no-brainer.
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不要修改 site-packages（除非非常了解风险）：虽然可以在 _type_utils.from_name 做防守性修改防止报错，但这不是长期或推荐的做法。