ENH: Initialize variable to null to avoid re-using previous pointer
ENH: Initialize variable to null to avoid re-using previous pointer

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