def __init__(self, filename=None):
        self.filename = None
        if filename:
            self.load(filename)
def on_remove_duplicates_state_changed(self):
        self.fuzz_table_model.remove_duplicates = self.ui.chkBRemoveDuplicates.isChecked()
        self.fuzz_table_model.update()
        self.remove_duplicates()