Re-throw the etree.XMLSyntaxError as openquake.xml.XMLValidationError.
Re-throw the etree.XMLSyntaxError as openquake.xml.XMLValidationError.


Former-commit-id: 60a299447f7b3140cb803defce8c8e1f779c33f1
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine