[Python-3000] bug in i/o module buffering?

[Bill Janssen]

> I'm asking about b because the error message "TypeError: 'slice'
> object does not support item deletion" would suggest that b is a slice
> object. I agree that doesn't sound very likely given the code
> though... :-( Could you step through this using pdb and investigate
> some more? Perhaps there's a refcount error somewhere in the C code?

I'll see if I can unfix my test code to reproduce the failure :-).

Bill