The upgrade to 0.7.3 is now ready for review at 
http://trac.sagemath.org/ticket/14694.

On Saturday, 17 August 2013 13:20:31 UTC-7, Eviatar wrote:
>
> The SymPy–Sage interface needs some work in general; many special 
> functions in SymPy don't have `_sage_` methods, and thus can't be converted 
> back to Sage. Maybe Sage should use its conversions table like it does for 
> Maxima.
>
> The patch http://trac.sagemath.org/ticket/15057 adds conversions for Sage 
> to SymPy, and should be an easy review.
>
> On Friday, 16 August 2013 13:54:07 UTC-7, François wrote:
>>
>>  Hi Roland,
>>
>>  Not inappropriate, but the request is better made on the sage-devel 
>> mailing list. I may try to shepherd it personally but I am not the only 
>> person that can do it. I think there may even be a ticket for it.
>>
>>  François
>>
>> On 17/08/2013, at 4:34, "Roland van den Brink" <roland.va...@gmail.com> 
>> wrote:
>>
>>   Dear Sir, 
>>
>>  Browsing the web I came across your good work related with SymPy and 
>> Sage.
>>  The latest SymPy version available in Sage is 0.7.1.p0.
>>
>>  Are there plans to update it?
>>
>>  The reason asking is that I noticed that on a GSoC 
>> project<https://google-melange.appspot.com/gsoc/homepage/google/gsoc2013>a 
>> student is working on a Diophantine equation 
>> module<https://github.com/sympy/sympy/blob/master/sympy/solvers/diophantine.py>,
>>  
>> and it would be handy to have a stable environment to use it.
>>
>>  P.S.: If this message is perceived as inappropriate, please accept my 
>> sincere apologies for the unsolicited sending of this question.
>>  
>> Yours faithfully,
>>
>> Roland van den Brink
>> +31 623 744 522
>>  
>>  
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>>
>>

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