                      "\nL|'extract': Re-extract faces from the source frames/video based on "
                      "alignment data. This is a lot quicker than re-detecting faces." +
                      frames_and_faces_dir + align_eyes +
                      "\nL|'extract-large' - Extract all faces that have not been upscaled. Useful "
                      "for excluding low-res images from a training set." +
                      frames_and_faces_dir + align_eyes +
                      "\nL|'manual': Manually view and edit landmarks." + frames_dir + align_eyes +
                      "\nL|'merge': Merge multiple alignment files into one. Specify a space "
                      "separated list of alignments files with the -a flag."
                      "\nL|'missing-alignments': Identify frames that do not exist in the "
 
</s> remove                     "alignment data. This is a lot quicker than re-detecting faces." +
 </s> add                     "alignment data. This is a lot quicker than re-detecting faces. Can pass in "
                    "the '-een' (--extract-every-n) parameter to only extract every nth frame." + </s> remove 
        for frame in tqdm(self.frames.file_list_sorted, desc="Saving extracted faces"):
 </s> add         skip_num = self.arguments.extract_every_n
        if skip_num != 1:
            logger.info("Skipping every %s frames", skip_num)
        for idx, frame in enumerate(tqdm(self.frames.file_list_sorted,
                                         desc="Saving extracted faces")):
                    "for excluding low-res images from a training set.. Can pass in the '-een' "
                    "(--extract-every-n) parameter to only extract every nth frame." +
                      "\nL|'extract': Re-extract faces from the source frames/video based on "
                      "alignment data. This is a lot quicker than re-detecting faces." +
                      frames_and_faces_dir + align_eyes +
                      "\nL|'extract-large' - Extract all faces that have not been upscaled. Useful "
                    "for excluding low-res images from a training set.. Can pass in the '-een' "
                    "(--extract-every-n) parameter to only extract every nth frame." +
                      frames_and_faces_dir + align_eyes +
                      "\nL|'manual': Manually view and edit landmarks." + frames_dir + align_eyes +
                      "\nL|'merge': Merge multiple alignment files into one. Specify a space "
                      "separated list of alignments files with the -a flag."
                      "\nL|'missing-alignments': Identify frames that do not exist in the "
keep keep keep keep replace keep keep keep keep keep
 Add "extract-every-n" option to alignments tool 
tools/cli.py