          -------
          bool
              ``True`` if a save has been requested otherwise ``False``. """
          with self._lock:
              retval = self._save
              if retval:
                  logger.debug("Sending should save")
                  self._save = False
          return retval
  
 
</s> remove                 self._save = False
 </s> add                 self._triggers["save"] = False </s> remove             retval = self._quit
 </s> add             retval = self._triggers["quit"] </s> remove                 self._refresh = False
 </s> add                 self._triggers["refresh"] = False </s> remove             retval = self._refresh
 </s> add             retval = self._triggers["refresh"] </s> remove             retval = self._toggle_mask
 </s> add             retval = self._triggers["toggle_mask"]
            retval = self._triggers["save"]
          -------
          bool
              ``True`` if a save has been requested otherwise ``False``. """
          with self._lock:
            retval = self._triggers["save"]
              if retval:
                  logger.debug("Sending should save")
                  self._save = False
          return retval
  
keep keep keep keep replace keep keep keep keep keep
 bugfix: Update preview screen in GUI 
scripts/train.py