[Python-ideas] "maybe import"?

[Amber Yust]

 On Thu Dec 26 2013 at 8:57:42 PM, Gregory P. Smith <greg at krypto.org> wrote:
> Such idioms are common.  Though I don't think we should encourage their
use.

Is this a case of "we shouldn't encourage optional dependencies" or "we
shouldn't encourage this kind of idiom as a means of implementing optional
dependencies" - and if the latter, what alternative would you point people
at instead?
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