fix json format

atlas/gen/atlas-gen/jobs/good_1/atlas-gen_summary.json

-{"copies":4 , "threads_per_copy": 1 , "events_per_thread" : 5 , "CPU_score": {"score": 89.2575, "avg": 22.3144, "median": 22.3242, "min": 21.8818, "max": 22.7273} , "log": "ok", "app":{"version":"v0.15","description":"ATLAS Event Generation based on athena version 19.2.5.5","cvmfs_checksum":"512aae44a881c0d4f9bc690488653241","bmkdata_checksum":"9a62d4782b086a9c74ab6edd38dc0ee3","bmk_checksum":"e93678ff532a3233f94f3e3890a8f39c"} }
+{"copies":4 , "threads_per_copy": 1 , "events_per_thread" : 5 , "wl-scores": {"sim": 89.2575} , "wl-stats": {"score": 89.2575, "avg": 22.3144, "median": 22.3242, "min": 21.8818, "max": 22.7273} , "log": "ok", "app":{"version":"v0.15","description":"ATLAS Event Generation based on athena version 19.2.5.5","cvmfs_checksum":"512aae44a881c0d4f9bc690488653241","bmkdata_checksum":"9a62d4782b086a9c74ab6edd38dc0ee3","bmk_checksum":"e93678ff532a3233f94f3e3890a8f39c"} }