code: def removeSegmentUpdate(self, updateInfo):
      
  
      # An updateInfo contains (creationDate, SegmentUpdate)
      (creationDate, segUpdate) = updateInfo
  
      # Key is stored in segUpdate itself...
      key = (segUpdate.columnIdx, segUpdate.cellIdx)
  
      self.segmentUpdates[key].remove(updateInfo)
docs: Remove a segment update (called when seg update expires or is processed)
  
      Parameters:
      --------------------------------------------------------------
      updateInfo:     (creationDate, SegmentUpdate)