code: def getBucketValues(self):
      
  
      # Need to re-create?
      if self._bucketValues is None:
        topDownMappingM = self._getTopDownMapping()
        numBuckets = topDownMappingM.nRows()
        self._bucketValues = []
        for bucketIdx in range(numBuckets):
          self._bucketValues.append(self.getBucketInfo([bucketIdx])[0].value)
  
      return self._bucketValues
docs: See the function description in base.py