COMP: Fix warnings for Python 2.3 and earlier.
COMP: Fix warnings for Python 2.3 and earlier.

daviddoria/PointGraphsPhase1,johnkit/vtk-dev,hendradarwin/VTK,johnkit/vtk-dev,johnkit/vtk-dev,keithroe/vtkoptix,cjh1/VTK,daviddoria/PointGraphsPhase1,biddisco/VTK,msmolens/VTK,candy7393/VTK,gram526/VTK,ashray/VTK-EVM,demarle/VTK,jmerkow/VTK,collects/VTK,arnaudgelas/VTK,candy7393/VTK,spthaolt/VTK,SimVascular/VTK,msmolens/VTK,biddisco/VTK,keithroe/vtkoptix,jmerkow/VTK,collects/VTK,SimVascular/VTK,gram526/VTK,msmolens/VTK,cjh1/VTK,collects/VTK,keithroe/vtkoptix,mspark93/VTK,sankhesh/VTK,demarle/VTK,cjh1/VTK,hendradarwin/VTK,jmerkow/VTK,msmolens/VTK,keithroe/vtkoptix,gram526/VTK,keithroe/vtkoptix,SimVascular/VTK,demarle/VTK,sankhesh/VTK,msmolens/VTK,keithroe/vtkoptix,sumedhasingla/VTK,biddisco/VTK,berendkleinhaneveld/VTK,aashish24/VTK-old,collects/VTK,demarle/VTK,berendkleinhaneveld/VTK,SimVascular/VTK,SimVascular/VTK,gram526/VTK,mspark93/VTK,sumedhasingla/VTK,ashray/VTK-EVM,hendradarwin/VTK,arnaudgelas/VTK,sumedhasingla/VTK,spthaolt/VTK,sumedhasingla/VTK,sumedhasingla/VTK,sankhesh/VTK,biddisco/VTK,daviddoria/PointGraphsPhase1,mspark93/VTK,hendradarwin/VTK,daviddoria/PointGraphsPhase1,spthaolt/VTK,keithroe/vtkoptix,spthaolt/VTK,ashray/VTK-EVM,jmerkow/VTK,demarle/VTK,berendkleinhaneveld/VTK,jmerkow/VTK,sankhesh/VTK,ashray/VTK-EVM,ashray/VTK-EVM,mspark93/VTK,mspark93/VTK,mspark93/VTK,sumedhasingla/VTK,msmolens/VTK,demarle/VTK,collects/VTK,biddisco/VTK,candy7393/VTK,SimVascular/VTK,spthaolt/VTK,johnkit/vtk-dev,sankhesh/VTK,cjh1/VTK,mspark93/VTK,SimVascular/VTK,berendkleinhaneveld/VTK,berendkleinhaneveld/VTK,sankhesh/VTK,cjh1/VTK,hendradarwin/VTK,ashray/VTK-EVM,biddisco/VTK,gram526/VTK,daviddoria/PointGraphsPhase1,candy7393/VTK,aashish24/VTK-old,arnaudgelas/VTK,jmerkow/VTK,ashray/VTK-EVM,aashish24/VTK-old,msmolens/VTK,sankhesh/VTK,jmerkow/VTK,sumedhasingla/VTK,SimVascular/VTK,demarle/VTK,keithroe/vtkoptix,gram526/VTK,cjh1/VTK,aashish24/VTK-old,candy7393/VTK,johnkit/vtk-dev,arnaudgelas/VTK,ashray/VTK-EVM,spthaolt/VTK,sumedhasingla/VTK,hendradarwin/VTK,candy7393/VTK,gram526/VTK,candy7393/VTK,demarle/VTK,berendkleinhaneveld/VTK,aashish24/VTK-old,johnkit/vtk-dev,sankhesh/VTK,arnaudgelas/VTK,mspark93/VTK,arnaudgelas/VTK,spthaolt/VTK,jmerkow/VTK,collects/VTK,candy7393/VTK,hendradarwin/VTK,msmolens/VTK,aashish24/VTK-old,daviddoria/PointGraphsPhase1,biddisco/VTK,berendkleinhaneveld/VTK,gram526/VTK,johnkit/vtk-dev