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The PEP includes the ability to enable (or disable) lazy imports globally via a command-line flag or environment variable, in addition to the import syntax.

> I would gladly take a command line flag that I can pass to python that makes all module loading lazy.

oh, you want a "break my libraries" flag? :D

seriously, in theory lazy imports may be "transparent" for common use cases, but I've saw too many modules rely on the side effects of the importing, that I understand why they needed to make this a "double opt in" feature

That's already part of the PIP. There is a flag to enable lazy imports for all possible imports.

You can do it today with a few lines of code, although the implementation I show is not particularly robust (since it works by metaprogramming the import system, of course other code could interfere): https://news.ycombinator.com/item?id=45467489