code: def windowed_iterable(self):
          
          # Seek to offset
          effective_offset = max(0,self.item_view.iterable_index)
          for i,item in enumerate(self.iterable):
              if i<effective_offset:
                  continue
              elif i>=(effective_offset+self.item_view.iterable_fetch_size):
                  return
              yield item
docs: That returns only the window