[Python-Dev] unicode hell/mixing str and unicode as dictionary keys

[Ralf Schmitt]

M.-A. Lemburg wrote:
> Ralf Schmitt wrote:
>> Does python 2.4 catch any exception when comparing keys (which are not 
>> basestrings) in dictionaries?
> 
> Yes. It does so for all equality compares that need to be done
> as part of the hash collision algorithm (not only w/r to strings
> and Unicode, but in general).
> 
> This was changed in 2.5, which now reports the exception.
> 

So, this thread isn't about "unicode hell" at all.
I guess this change will break lots of code (or will reveal lots of 
broken code...as it did in my case actually).

- Ralf