I have the following data structure: datePrepared <pyxb.bundles.opengis.raw._nsgroup_.TimePositionType object at 0x7fa3df04f610> _complexTypeDefinition__content 2016-10-19 00:00:00 I failed to extract the dateTime from instance "datePrepared" datePrepared is a gml:TimePositionType, schema is as below: <complexType name="TimePositionType" final="#all"> <annotation> <documentation>The method for identifying a temporal position is specific to each temporal reference system. gml:TimePositio nType supports...