          module = import_module(mod)
          return getattr(module, ttl)
  
      @staticmethod
      def get_available_extractors(extractor_type):
          """ Return a list of available extractors of the given type
  
          Parameters
          ----------
          extractor_type: {'aligner', 'detector', 'masker'}
 
</s> remove 
 </s> add         add_none: bool, optional
            Append "none" to the list of returned plugins. Default: False </s> remove     def load_feed_face(self, image, size=64, coverage_ratio=0.625, dtype=None):
 </s> add     def load_feed_face(self, image, size=64, coverage_ratio=0.625, dtype=None,
                       is_aligned_face=False):
    def get_available_extractors(extractor_type, add_none=False):
          module = import_module(mod)
          return getattr(module, ttl)
  
      @staticmethod
    def get_available_extractors(extractor_type, add_none=False):
          """ Return a list of available extractors of the given type
  
          Parameters
          ----------
          extractor_type: {'aligner', 'detector', 'masker'}
keep keep keep keep replace keep keep keep keep keep
 Extract - Mask updates

- Remove none mask plugin
- Make pipeline more flexible
- Add support for pre-aligned faces to masker plugin
- Migrate blur and threshold settings to mask output 
plugins/plugin_loader.py