xml.sax.SAXReaderNotAvailable¶
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exception
xml.sax.
SAXReaderNotAvailable
(msg, exception=None)[source]¶ Exception class for a missing driver.
An XMLReader module (driver) should raise this exception when it is first imported, e.g. when a support module cannot be imported. It also may be raised during parsing, e.g. if executing an external program is not permitted.