def cursorAtSpaceEnd(block):
            cursor = QTextCursor(block)
            cursor.setPosition(block.position() + len(blockIndentation(block)))
            return cursor
def on_btn_del_row_clicked(self):
        min_row, max_row, _, _ = self.ui.tblFuzzingValues.selection_range()
        self.delete_lines(min_row, max_row)