Added linebreak in dynesty line break
This should get rid off the rather annoying missing linebreak when checkpointing dynesty:
472| logz ratio=-44.351 +/- 0.115 | dlogz: 106.797 > 0.10015:39 bilby INFO : Writing checkpoint file test_production/IMR_mem_inj_non_mem_rec_resume.pickle
664| logz ratio=-41.130 +/- 0.129 | dlogz: 104.162 > 0.10015:39 bilby INFO : Writing checkpoint file test_production/IMR_mem_inj_non_mem_rec_resume.pickle
758| logz ratio=-35.685 +/- 0.171 | dlogz: 98.378 > 0.10015:40 bilby INFO : Writing checkpoint file test_production/IMR_mem_inj_non_mem_rec_resume.pickle
809| logz ratio=-29.166 +/- 0.177 | dlogz: 91.558 > 0.10015:40 bilby INFO : Writing checkpoint file test_production/IMR_mem_inj_non_mem_rec_resume.pickle
870| logz ratio=-19.240 +/- 0.184 | dlogz: 81.604 > 0.10015:41 bilby INFO : Writing checkpoint file test_production/IMR_mem_inj_non_mem_rec_resume.pickle
941| logz ratio=-8.422 +/- 0.187 | dlogz: 70.439 > 0.10015:42 bilby INFO : Writing checkpoint file test_production/IMR_mem_inj_non_mem_rec_resume.pickle
1022| logz ratio= 1.509 +/- 0.188 | dlogz: 60.058 > 0.10015:43 bilby INFO : Writing checkpoint file test_production/IMR_mem_inj_non_mem_rec_resume.pickle
1113| logz ratio=12.159 +/- 0.196 | dlogz: 48.955 > 0.10015:44 bilby INFO : Writing checkpoint file test_production/IMR_mem_inj_non_mem_rec_resume.pickle
1214| logz ratio=28.815 +/- 0.211 | dlogz: 31.938 > 0.10015:45 bilby INFO : Writing checkpoint file test_production/IMR_mem_inj_non_mem_rec_resume.pickle
1325| logz ratio=45.879 +/- 0.209 | dlogz: 14.206 > 0.10015:46 bilby INFO : Writing checkpoint file test_production/IMR_mem_inj_non_mem_rec_resume.pickle
1446| logz ratio=54.409 +/- 0.202 | dlogz: 4.978 > 0.10015:47 bilby INFO : Writing checkpoint file test_production/IMR_mem_inj_non_mem_rec_resume.pickle
1577| logz ratio=57.028 +/- 0.198 | dlogz: 1.852 > 0.10015:49 bilby INFO : Writing checkpoint file test_production/IMR_mem_inj_non_mem_rec_resume.pickle