2014-02-04 Larry Hastings <la...@hastings.org>:
> Why couldn't these tools use inspect.Signature?

inspect.Signature was added in Python 3.3. Python 2 is still widely
used, and some Linux distro only provide Python 3.2.

By the way, help(dict.fromkeys) looks to use __doc__, not the
signature, because the prototype is also missing.

It's a regression.

Victor
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