A few changes to ParaView from @cobo
- Python version issue: the standard Python version of Opensuse Leap 42.3 (3.4) fails without this fix
- Allow subclassing spreadsheet view
- Avoid warnings regarding ContainingCells property that does not exist for query selections
- Enable creation os pqSpreadSheetView for vtkSMSpreadsheetView proxy subclass
Edited by Mathieu Westphal (Kitware)