Steven D'Aprano <st...@remove-this-cybersource.com.au> writes: > Having said that, there are times where you need to pass None as a > legitimate argument and not as a sentinel.
I don't think it's worth trying to figure out which those times are. The conclusion can be wrong, or can become wrong later because of some faraway change in the code. I prefer using the bulletproof method from the beginning, whether it is needed or not. -- http://mail.python.org/mailman/listinfo/python-list
