def METHOD_NAME(instance, basedn):
    """Create the base org unit object for a org unit"""
    orgunit = OrganizationalUnit(instance, dn=basedn)
    # Explode the dn to get the first bit.
    avas = dn.str2dn(basedn)
    ou_ava = avas[0][0][1]
    orgunit.create(properties={
        # I think in python 2 this forces unicode return ...
        'ou': ou_ava,
        'description': basedn,
    })
    return orgunit