def redo(self):
        # make sure we do this in reverse order so rows stay accurate while
        # deleting
        for row in reversed(sorted(self.files.keys())):
            self.model.delete_files(row, row-1)
dataset/ETHPy150Open shotgunsoftware/pyqt-uploader/uploader.py/DeleteFilesCommand.redo/operator `+` -> `-`