              if 0.0 < self._distance < test.average_distance:
                  self._counts["distance"] += 1
                  continue
              retval.append(face)
          return retval
  
      def output_counts(self):
          """ Output the counts of filtered items """
          if not self._active:
              return
 
</s> remove         list
            The filtered list of detected face objects

 </s> add         detected_faces: list
            The filtered list of detected face objects, if saving filtered faces has not been
            selected or the full list of detected faces
        sub_folders: list
            List of ``Nones`` if saving filtered faces has not been selected or list of ``Nones``
            and sub folder names corresponding the filtered face location
        return retval, sub_folders
              if 0.0 < self._distance < test.average_distance:
                  self._counts["distance"] += 1
                  continue
              retval.append(face)
        return retval, sub_folders
  
      def output_counts(self):
          """ Output the counts of filtered items """
          if not self._active:
              return
keep keep keep keep replace keep keep keep keep keep
 Extract filter: Allow saving of filtered images 
plugins/extract/align/_base.py