Hi Nicolas,

On Tue, Apr 21, 2009 at 11:26 PM, Nicolas M. Thiery
<nicolas.thi...@u-psud.fr> wrote:
>
>        Hello,
>
> I just hit some strange interaction between Weyl groups, interactive
> Gap session and deepcopy.
>
> Anyone help on debugging this?
>

<SNIP>

I can reproduce it using Sage 3.4. But it's very strange, because I
can't seem to reproduce the above using Sage 3.4.1.rc4:

----------------------------------------------------------------------
| Sage Version 3.4.1.rc4, Release Date: 2009-04-19                   |
| Type notebook() for the GUI, and license() for information.        |
----------------------------------------------------------------------
sage: W = WeylGroup(["A",2])
sage: from copy import deepcopy
sage: W.list()

[[0 0 1]
[0 1 0]
[1 0 0],
 [0 0 1]
[1 0 0]
[0 1 0],
 [0 1 0]
[0 0 1]
[1 0 0],
 [0 1 0]
[1 0 0]
[0 0 1],
 [1 0 0]
[0 0 1]
[0 1 0],
 [1 0 0]
[0 1 0]
[0 0 1]]
sage: deepcopy(QQ)
Rational Field
sage: deepcopy(QQ)
Rational Field
sage: deepcopy(QQ)
Rational Field
sage: deepcopy(QQ)
Rational Field
sage: deepcopy(QQ)
Rational Field
sage: deepcopy(QQ)
Rational Field
sage: deepcopy(QQ)
Rational Field
sage: deepcopy(QQ)
Rational Field

-- 
Regards
Minh Van Nguyen

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