      model_filename: str
          The name of the model file to be loaded
  
      Other Parameters
      ----------------
      configfile: str, optional
          Path to a custom configuration ``ini`` file. Default: Use system configfile
  
 
</s> remove     Attributes
    ----------
    blur_kernel, int
        The size of the kernel for applying gaussian blur to the output of the mask

 </s> add  </s> remove 
 </s> add         add_none: bool, optional
            Append "none" to the list of returned plugins. Default: False
    image_is_aligned: bool, optional
        Indicates that the passed in image is an aligned face rather than a frame.
        Default: ``False``
      model_filename: str
          The name of the model file to be loaded
    image_is_aligned: bool, optional
        Indicates that the passed in image is an aligned face rather than a frame.
        Default: ``False``
  
      Other Parameters
      ----------------
      configfile: str, optional
          Path to a custom configuration ``ini`` file. Default: Use system configfile
  
keep add keep 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/extract/mask/_base.py