The fix is trivial.

Firstly there is an import bug in IronPython that I guess they are going to 
fix - I will double check.

The only other issue is the unicode_escape_decode not having parameters. 
This is something to do with the fact that IronPython is already fully 
unicode. So all that needs to happen is something like this in 
core/compatibility.py:

    def u(x):
        return codecs.unicode_escape_decode(x)[0]

becomes:

    def u(x):
        try:
            return codecs.unicode_escape_decode(x)[0]
          except:
              return x

Thanks, Andy


On Thursday, April 10, 2014 5:03:51 AM UTC+1, Matthew wrote:
>
> Yeah, that's pretty fantastic.  I'm curious to know how much work was 
> involved.  Is it possible to push your changes back to our codebase?  We'd 
> be happy to enable this.
>
>
> On Wed, Apr 9, 2014 at 3:38 PM, Ondřej Čertík 
> <[email protected]<javascript:>
> > wrote:
>
>> On Wed, Apr 9, 2014 at 3:43 AM, Groover <[email protected] <javascript:>> 
>> wrote:
>> > I now have sympy git-master working with IronPython 2.7.5b1 and this 
>> problem
>> > no longer occurs. I get the same result as Matthew.
>>
>> Nice!
>>
>> Ondrej
>>
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