"RuntimeError: dictionary changed ... & Ruby

[Marc 'BlackJack' Rintsch]

In <duvjsk$2r0f$1 at ulysses.news.tiscali.de>, robert wrote:

> * Ruby without refcounts provides no deterministic __del__ in 
> non-circular refs ==> your type  finally finally finally .close .close 
> .close all the time

Which is what you should type in Python too as there's no guarantee that
`__del__()` will be called immidiatly when the file object goes out of
scope or isn't referenced anymore.  The reference counting memory
management is an implementation detail.

Ciao,
	Marc 'BlackJack' Rintsch