No that's correct. The difference is that my way imports the *function* as
oppose to the *module* given by John. This is a python thing, see
https://docs.python.org/3/reference/import.html for more details.
Best,
Travis
On Tuesday, August 19, 2014 9:24:16 PM UTC-7, Paul Graham wrote:
>
> Ok i did:
>
> from sage.misc.viewer import png_viewer
>
> at the top of the file tachyon.py, and then in my code as you suggest, in
> Tachyon.show, i changed it from:
>
> os.system('%s %s 2>/dev/null 1>/dev/null &'%(sage.misc.viewer.png_viewer
> (), filename))
>
> to:
>
> os.system('%s %s 2>/dev/null 1>/dev/null &'%(png_viewer(), filename))
>
> and it works just fine. I never made any modifications to that line
> originally, so not sure why its stopped working... Works now though, thanks.
>
>
> Or referring to changing it somewhere else?
> On Tuesday, August 19, 2014 8:40:52 PM UTC-7, Travis Scrimshaw wrote:
>>
>> Interestingly, i tried doing:
>>>
>>> from sage.misc.viewer import png_viewer
>>>
>>> first, but got the same error.
>>>
>>
>> In your code, you just want `png_viewer`, not
>> `sage.misc.viewer.png_viewer` (which is what I suspect you had).
>>
>> Best,
>> Travis
>>
>>
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