Style question: 'return None' vs 'pass' in do-nothing methods?

[brueckd at tbye.com]

On Tue, 8 Jan 2002, Elf M. Sternberg wrote:

> def stylesheet(self):
> 	return None
>
> Whereas Webware used:
>
> def writeStyleSheet(self):
> 	pass
>
> 	Is there a reason for favoring one over the other?

They are functionally equivalent, but I personally use the first when the
caller will be checking the return type (the return value of the function
actually has meaning) and the second when the return value has no meaning
(sort of like function vs. procedure in Pascal).

-Dave