code: def _updateMinDutyCycles(self):
      
      if self._globalInhibition or self._inhibitionRadius > self._numInputs:
        self._updateMinDutyCyclesGlobal()
      else:
        self._updateMinDutyCyclesLocal()
docs: Updates the minimum duty cycles defining normal activity for a column. A
      column with activity duty cycle below this minimum threshold is boosted.