[issue21217] inspect.getsourcelines finds wrong lines when lambda used argument to decorator

[Yury Selivanov]

Yury Selivanov added the comment:

Apart from one nit, the patch is looking good.

Also, could you please sign the contributor agreement, as described here: https://docs.python.org/devguide/coredev.html#sign-a-contributor-agreement

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue21217>
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