deep copy qso param dict to avoid mag_use_normal overwritting

import os

import galsim

import random

import copy

import numpy as np

import h5py as h5

import healpy as hp

                param['agnsed_file'] = ""

                obj = Galaxy(param, logger=self.logger)

            else:

                param['star'] = 2   # Quasar

                param['agnsed_file'] = agnsed_file

                param_qso = copy.deepcopy(param)

                param_qso['star'] = 2   # Quasar

                param_qso['agnsed_file'] = agnsed_file

                # First add QSO model

                obj = Quasar(param, logger=self.logger)

                obj = Quasar(param_qso, logger=self.logger)

                # Need to deal with additional output columns

                obj.additional_output_str = self.add_fmt%("n", 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0.,

                                                        0, 0.)