[Python-Dev] an alternative to embedding policy in PEP 418 (was: PEP 418: Add monotonic clock)

[Stephen J. Turnbull]

On Thu, Apr 5, 2012 at 8:05 AM, Oleg Broytman <phd at phdru.name> wrote:
>   Well, I am partially retreat. "Errors should never pass silently.
> Unless explicitly silenced." get_clock(FLAG, on_error=None) could return
> None.

I still don't see what's erroneous about returning None when asked for
an object that is documented to possibly not exist, ever, in some
implementations.  Isn't that precisely why None exists?