fixing a wrong doc construction

[fchapoton]

that is not compatible with python3

CC: @embray @jdemeyer

Component: documentation

Author: Frédéric Chapoton

Branch/Commit: 9d6e1aa

Reviewer: Erik Bray

Issue created by migration from https://trac.sagemath.org/ticket/24851

[fchapoton]

Commit: 9d6e1aa

[fchapoton]

Branch: u/chapoton/24851

[fchapoton]

New commits:

9d6e1aa

fixing a wrong doc construction

[embray]

Reviewer: Erik Bray

[embray]

comment:2

For what it's worth, this solution from my py3 branch also works:

diff --git a/src/sage/coding/decoder.py b/src/sage/coding/decoder.py
index 1f8be03..1dad583 100644
--- a/src/sage/coding/decoder.py
+++ b/src/sage/coding/decoder.py
@@ -19,6 +19,8 @@ AUTHORS:
 #                  http://www.gnu.org/licenses/
 #*****************************************************************************

+from six import get_unbound_function as get_func
+
 from sage.misc.abstract_method import abstract_method
 from sage.structure.sage_object import SageObject

@@ -362,7 +364,7 @@ class Decoder(SageObject):
         """
         raise NotImplementedError

-Decoder._instance_decoder_type.__func__.__doc__ = Decoder.decoder_type.__doc__
+get_func(Decoder._instance_decoder_type).__doc__ = Decoder.decoder_type.__doc__

 class DecodingError(Exception):
     r"""

But I agree with your patch--in this case (particularly since it's just an internal method) it's really not important to be doing this. But you can use something like the above for future cases if applicable.

[vbraun]

Changed branch from u/chapoton/24851 to 9d6e1aa