Andreas Röhler <andreas.roehler@easy-emacs.de> writes:

> Am 07.05.2013 18:41, schrieb Eric Schulte:
>>> #+NAME: test2
>>> #+begin_src python :results value :preamble # -*- coding: utf-8 -*- :return
>>> a
>>> a = ( ( "é", "a" ), ( "a", "à" ) )
>>> b = "é"
>>> #+end_src
>>>
>>> #+RESULTS: test2
>>> | \303\251 | a        |
>>> | a        | \303\240 |
>>>
>>
>> Maybe this isn't an execution problem, but is rather a buffer encoding
>> problem.  I executed your example above in a small buffer (attached).  I
>> then saved this buffer and was forced to specify an encoding, I selected
>> utf8.  If I cat the resulting file from disk, the accented characters
>> appear correctly.
>>
>>
>>
>>
>> So maybe the problem is simply Emacs not displaying utf8 characters
>> correctly.
>>
>> Hope this helps,
>>
>
> Here error occurs depending if a or b is specified for return, really strange.
>

I think this may be a problem with the Python code.  The snippet above
expands to the following python.