Better check for Python version when getting SIP api.
Better check for Python version when getting SIP api.

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