test2.xml

<?xml version="1.0" encoding="utf-8"?>
<django-objects version="1.0"><object pk="1" model="base.student"><field type="CharField" name="fio">Дербичев Михаил Борисович</field><field type="DateField" name="bidthday">1985-08-09</field><field to="base.group" name="group" rel="ManyToOneRel"><None></None></field></object><object pk="2" model="base.student"><field type="CharField" name="fio">Карасев Александр</field><field type="DateField" name="bidthday">1985-10-09</field><field to="base.group" name="group" rel="ManyToOneRel"><None></None></field></object><object pk="1" model="base.group"><field type="CharField" name="name">МТ-183</field><field to="base.student" name="elder" rel="ManyToOneRel">1</field></object></django-objects>