python b.python 8 works on XP but not on Vista?

[Isaac Gouy]

On Mar 6, 4:53 pm, Chris Rebert <c... at rebertia.com> wrote:
> On Sat, Mar 6, 2010 at 4:42 PM, Isaac Gouy <igo... at yahoo.com> wrote:
> > On Mar 6, 4:02 pm, Chris Rebert <c... at rebertia.com> wrote:
> >> On Sat, Mar 6, 2010 at 3:53 PM, Isaac Gouy <igo... at yahoo.com> wrote:
> >> > At the command prompt:
>
> >> >   python b.py 8
> >> > works fine on both XP and Vista
>
> >> >   python b.python 8
> >> > works on XP (and Linux)
>
> >> > but on Vista
>
> >> >   python b.python 8
>
> >> > ImportError: No module named b
>
> >> > ?
>
> >> Code please.
>
> > It's the same code in both cases, I simply renamed "b.python" as
> > "b.py" as a test.
>
> The code in b.py matters. I /suspect/ it's importing itself somehow
> (probably indirectly), and Python doesn't look for ".python" files
> when importing, so it fails with an ImportError. But since you haven't
> shown the code, I can only guess.

Yes the code in b.py matters.

Why it matters is that there was another difference between XP and
Vista - the XP machine was single core but the Vista machine was multi
core - and the code behaves differently in each case.

Thanks.