[MNT] update linting: limit line length to 88, add isort
#2051
| Job | Run time |
|---|---|
| 3m 33s | |
| 3m 38s | |
| 6m 2s | |
| 3m 40s | |
| 6m 23s | |
| 3m 46s | |
| 6m 13s | |
| 2m 21s | |
| 2m 8s | |
| 6m 43s | |
| 4m 6s | |
| 3m 55s | |
| 3m 49s | |
| 1m 56s | |
| 2m 7s | |
| 4m 21s | |
| 6m 27s | |
| 8m 19s | |
| 6m 47s | |
| 8m 32s | |
| 9m 25s | |
| 4m 50s | |
| 11m 16s | |
| 8m 40s | |
| 11m 42s | |
| 2h 20m 39s |