[Python-Dev] Re: unicode: strange exception (part 2)

[Guido van Rossum]

> with the latest version, I get:
> 
> >>> "!" in ("a", None)
> 0
> >>> u"!" in ("a", None)
> Traceback (most recent call last):
>   File "<stdin>", line 1, in ?
> TypeError: coercing to Unicode: need string or charbuffer
> 
> is this really an improvement?
> 
> looks like writing code that works with any kind of strings
> will be harder than I thought...

Are you totally up-to-date?  I get

>>> u"!" in ("a", None)
0
>>> 

--Guido van Rossum (home page: http://www.python.org/~guido/)