fix: fix indexing in calculate_ensemble_errors
#2777
| Job | Run time |
|---|---|
| 9m 41s | |
| 15m 51s | |
| 8m 19s | |
| 4m 38s | |
| 6h 0m 11s | |
| 18m 12s | |
| 18m 27s | |
| 23m 38s | |
| 12m 29s | |
| 52m 59s | |
| 37m 58s | |
| 29m 15s | |
| 21m 28s | |
| 55m 12s | |
| 13m 25s | |
| 12m 13s | |
| 7m 15s | |
| 13m 44s | |
| 2h 12m 47s | |
| 25m 14s | |
| 22m 18s | |
| 1h 8m 47s | |
| 37m 28s | |
| 13m 26s | |
| 9m 24s | |
| 21m 57s | |
| 4m 45s | |
| 35m 6s | |
| 36m 17s | |
| 33m 35s | |
| 43m 24s | |
| 44m 0s | |
| 20h 43m 23s |