[Rivet] ALICE_2010_S8624100

[Anton Karneyeu]

Hi,
I am trying new version 1.4.0 with new ALICE analyses and there are 
following issues with ALICE_2010_S8624100 analysis:

1. during rivet run I see message:

--------------
Rivet.Analysis.Handler: WARN  Analysis 'ALICE_2010_S8624100' is 
unvalidated: be careful!
----------------

Although on the analyses reference page the analysis mentioned as validated:

   http://projects.hepforge.org/rivet/analyses#ALICE_2010_S8624100


2. during rivet run there are several warnings? :

------------
Couldn't get <measurement> tag
------------


3. And aida2flat fails to proceed on reference file:
    $RIVET_REF_PATH/ALICE_2010_S8624100.aida

------------------
Traceback (most recent call last):
   File 
"/afs/cern.ch/sw/lcg/external/MCGenerators_hepmc20603/rivet/1.4.0/x86_64-slc5-gcc43-opt/bin/aida2flat", 
line 135, in <module>
     out.write(h.asFlat() + "\n")
   File 
"/afs/cern.ch/sw/lcg/external/MCGenerators_hepmc20603/rivet/1.4.0/x86_64-slc5-gcc43-opt/lib/python2.6/site-packages/lighthisto.py", 
line 121, in asFlat
     out += "## Area: %e\n" % self.area()
   File 
"/afs/cern.ch/sw/lcg/external/MCGenerators_hepmc20603/rivet/1.4.0/x86_64-slc5-gcc43-opt/lib/python2.6/site-packages/lighthisto.py", 
line 202, in area
     return sum([bin.area() for bin in self.bins])
   File 
"/afs/cern.ch/sw/lcg/external/MCGenerators_hepmc20603/rivet/1.4.0/x86_64-slc5-gcc43-opt/lib/python2.6/site-packages/lighthisto.py", 
line 451, in area
     return self.yval * (self.xhigh - self.xlow)
TypeError: unsupported operand type(s) for -: 'NoneType' and 'NoneType'
-------------------------------




To reproduce the issues run attached script.


Thank you,
Anton
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