Madspin error in 2.1.2 with precompiled directory

[Josh Bendavid]

When running in NLO mode madspin from a pre-generated directory in 2.1.2 I get an error which looks like some kind of infinite recursion. (Details attached)

[Olivier Mattelaer (olivier-mattelaer)]

Thanks Josh,

I have written an acceptance test which cover this situation, such that we have that scenario automatically check in future release.
I will investigate this tomorrow.

Cheers,

Olivier

On Jul 3, 2014, at 7:00 PM, Josh Bendavid <email address hidden> wrote:

> Public bug reported:
>
> When running in NLO mode madspin from a pre-generated directory in
> 2.1.2 I get an error which looks like some kind of infinite recursion.
> (Details attached)
>
> ** Affects: mg5amcnlo
> Importance: Undecided
> Status: New
>
> ** Attachment added: "madspinerror.txt"
> https://bugs.launchpad.net/bugs/1337463/+attachment/4144869/+files/madspinerror.txt
>
> --
> You received this bug notification because you are subscribed to
> MadGraph5_aMC@NLO.
> https://bugs.launchpad.net/bugs/1337463
>
> Title:
> Madspin error in 2.1.2 with precompiled directory
>
> Status in MadGraph5_aMC@NLO Generator:
> New
>
> Bug description:
> When running in NLO mode madspin from a pre-generated directory in
> 2.1.2 I get an error which looks like some kind of infinite recursion.
> (Details attached)
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/mg5amcnlo/+bug/1337463/+subscriptions

[Olivier Mattelaer (olivier-mattelaer)]

Hi Josh,

in attachment you will find the patch to solve this problem.
If you apply it by hand, then you can only change the file banner.py.

The rest are linked to the automatic testing procedure that that MadSpin in gridpack mode is working in any future version.
(Which is really needed since the unpickling works in a very weird way.)

Thanks a lot for your help,

Olivier