Nicola Larosa wrote: >> Using None might be problematic if None could be a valid argument. > > That's like saying that NULL could be a significant value in SQL. In > Python, "None" *is* the empty, not significant value, and should > always be used as such. Specifically, never exchange "None" for > "False". > You don't think there is a difference in SQL between a field explicitly set to NULL or a field initialised with a default value?
What you should be saying here is never use "None" when you actually mean "use the default non-None value for this parameter". -- http://mail.python.org/mailman/listinfo/python-list
