another attempt at fixing ATLASJT-84: open fnames in parallel.


git-svn-id: svn+ssh://svn.cern.ch/reps/atlasoff/Tools/PyUtils/branches/PyUtils-00-12-21-branch@561255 4525493e-7705-40b1-a816-d608a930855b
another attempt at fixing ATLASJT-84: open fnames in parallel.


git-svn-id: svn+ssh://svn.cern.ch/reps/atlasoff/Tools/PyUtils/branches/PyUtils-00-12-21-branch@561270 4525493e-7705-40b1-a816-d608a930855b