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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_rupture(oqparam):
 """ Read the `rupture_model` file and by filter the site collection :param oqparam: an :class:`openquake.commonlib.oqvalidation.OqParam` instance :returns: an hazardlib rupture """

    rup_model = oqparam.inputs['rupture_model']
    [rup_node] = nrml.read(rup_model)
    conv = sourceconverter.RuptureConverter(
        oqparam.rupture_mesh_spacing, oqparam.complex_fault_mesh_spacing)
    rup = conv.convert_node(rup_node)
    rup.tectonic_region_type = '*'  # there is not TRT for scenario ruptures
    rup.serial = oqparam.random_seed
    return rup