              "opts": ("-M", "--mask-type"),
              "type": str.lower,
              "dest": "mask_type",
              "choices": ["ellipse",
                          "smoothed",
                          "facehull",
                          "dfl",
                          #  "cnn",  Removed until implemented
                          "none"],
              "default": "facehull_rect",
 
</s> remove                     "\nrect: Rectangle around face."
 </s> add  </s> remove                     "\ncnn: Not yet implemented"})
 </s> add                     #  "\ncnn: Not yet implemented"  Removed until implemented
                    "\nnone: No mask. Can still use blur and erode on the edges of the swap box."}) </s> remove                     "\nsmoothed: Rectangle around face with smoothing."
 </s> add  </s> remove                     "\nfacehull_rect: Rectangle around faces with facehull"
                    "\n\tbetween the edges of the face and the background."
 </s> add 
              "opts": ("-M", "--mask-type"),
              "type": str.lower,
              "dest": "mask_type",
              "choices": ["ellipse",

                          "facehull",
                          "dfl",
                          #  "cnn",  Removed until implemented
                          "none"],
              "default": "facehull_rect",
keep keep keep keep replace keep keep keep keep keep
 Add adjust's 'smooth-mask' (smooth-box) back as option 
lib/cli.py