Python 3.15 has introduced a feature to allow "lazy" module imports, where an imported module isn't actually evaluated until the first time it's used. For modules that take a long time to initialize when imported, this lets you defer the startup time cost, making your whole program faster to start and respond. Best of all, it can be used as a backwards-compatible feature, so existing code can make use of it on future versions of Python with only minimal changes.
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