[Python-3000-checkins] r58914 - in python/branches/py3k: Lib/io.py Lib/test/test_io.py Modules/_fileio.c

[Christian Heimes]

Guido van Rossum wrote:
> Sure; or perhaps better
> 
> try:
>   pos = pos.__index__()
> except AttributeError as err:
>   raise TypeError("an integer is required") from err

raise from err?

*searching*

'The “from” clause is used for exception chaining, which is not
documented yet.'

Ah! The sentence explains why I've not heard from the new feature yet. :)

Christian