[issue19674] Add introspection information for builtins

[Roundup Robot]

Roundup Robot added the comment:

New changeset 78ec18f5cb45 by Larry Hastings in branch 'default':
Issue #19674: inspect.signature() now produces a correct signature
http://hg.python.org/cpython/rev/78ec18f5cb45

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nosy: +python-dev

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19674>
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