docs: def getFeatureByIndex(self, index):
          """
          get features by numerical (positional) index
  
          Parameters
          ----------
          index: int
              the queried index
  
          Returns
          -------
          :osgeo:class:`ogr.Feature`
              the requested feature
          """
          feature = self.layer[index]
          if feature is None:
              feature = self.getfeatures()[index]
          return feature