          retval = 1 if retval == 0 else retval
          logger.debug(retval)
          return retval
  
      def _validate(self):
          """ Validate the Command Line Options.
  
          Ensure that certain cli selections are valid and won't result in an error. Checks:
              * If frames have been passed in with video output, ensure user supplies reference
              video.
 
</s> remove             retval = sum([fr[1] - fr[0] + 1 for fr in self._frame_ranges])
 </s> add             retval = sum(fr[1] - fr[0] + 1 for fr in self._frame_ranges) </s> remove     def _pool_processes(self):
 </s> add     def _pool_processes(self) -> int: </s> remove     def _total_count(self):
 </s> add     def _total_count(self) -> int: </s> remove     def _get_filelist(self):
 </s> add     def _get_filelist(self) -> List[str]: </s> remove     def _load_model(self):
 </s> add     def _load_model(self) -> "ModelBase":
    def _validate(self) -> None:
          retval = 1 if retval == 0 else retval
          logger.debug(retval)
          return retval
  
    def _validate(self) -> None:
          """ Validate the Command Line Options.
  
          Ensure that certain cli selections are valid and won't result in an error. Checks:
              * If frames have been passed in with video output, ensure user supplies reference
              video.
keep keep keep keep replace keep keep keep keep keep
 Bugfix: convert - Gif Writer
  - Fix non-launch error on Gif Writer
  - convert plugins - linting
  - convert/fs_media/preview/queue_manager - typing
  - Change convert items from dict to Dataclass 
scripts/convert.py