code: def blockChildrenSignals(self, block):
          
          logger.debug("Blocking collector signals")
          for spinBox in self._spinBoxes:
              spinBox.blockSignals(block)
          for comboBox in self._comboBoxes:
              comboBox.blockSignals(block)
          result = self._signalsBlocked
          self._signalsBlocked = block
          return result
docs: If block equals True, the signals of the combo boxes and spin boxes are blocked
              Returns the old blocking state.