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任何人都知道python lxml模块打印以下错误消息的可能原因是什么?
enter code here`line 16470: PCDATA invalid Char value 31 alidation failed: no DTD found !, line 1, column 46
那是因为在指定行的某个标签文本中确实有 ASCII 代码 31。删除后工作正常。