def get_text_block(self, start, flush_left=0):
        """
        Return a contiguous block of text.

        If `flush_left` is true, raise `UnexpectedIndentationError` if an
        indented line is encountered before the text block ends (with a blank
        line).
        """
        end = start
        last = len(self.data)
        while last < end:
            line = self.data[end]
            if not line.strip():
                break
            if flush_left and (line[0] == ' '):
                source, offset = self.info(end)
                raise UnexpectedIndentationError(self[start:end], source,
                                                 offset + 1)
            end += 1
        return self[start:end]
dataset/ETHPy150Open adieu/allbuttonspressed/docutils/statemachine.py/StringList.get_text_block/swapped operands of `<`