def _rewind_decoded_chars(self, n):
        """Rewind the _decoded_chars buffer."""
        if n < self._decoded_chars_used:
            raise AssertionError("rewind decoded_chars out of bounds")
        self._decoded_chars_used -= n
dataset/ETHPy150Open deanhiller/databus/webapp/play1.3.x/python/Lib/io.py/TextIOWrapper._rewind_decoded_chars/swapped operands of `<`