[issue7865] io close() swallowing exceptions

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

For what it's worth, I documented the possibility to call close() several times in r80592.

> Then when you try to wrap a non-readable stream into a readable 
> buffered stream (like BufferedRWPair), it should raise a value error as 
> well,

Good point. Unfortunately, it's now a bit late to change this.
(in any case, it's a programming error to do such things and therefore the user will have to fix his/her code, rather than trying to catch the exception)

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