code: def _convert_value(self, column, value):
          '''Convert value to a GObject.Value of the expected type'''
  
          if isinstance(value, GObject.Value):
              return value
          return GObject.Value(self.get_column_type(column), valuef _convert_value(self, column, value):
          '''Convert value to a GObject.Value of the expected type'''
  
          if isinstance(value, GObject.Value):
              return value
          return GObject.Value(self.get_column_type(column), value)
docs: Convert value to a GObject.Value of the expected type