Fix downstream test: do not use editable install for ipyparallel
#4071
| Job | Run time |
|---|---|
| 2m 21s | |
| 1m 49s | |
| 2m 46s | |
| 2m 30s | |
| 52s | |
| 33s | |
| 1m 0s | |
| 2m 3s | |
| 2m 45s | |
| 4m 5s | |
| 2m 48s | |
| 3m 19s | |
| 2m 33s | |
| 2m 40s | |
| 4m 12s | |
| 2m 48s | |
| 3m 4s | |
| 2m 42s | |
| 4m 54s | |
| 3m 23s | |
| 4m 57s | |
| 6m 48s | |
| 5m 15s | |
| 2m 47s | |
| 4m 23s | |
| 5m 23s | |
| 2m 44s | |
| 2m 48s | |
| 3m 1s | |
| 4m 19s | |
| 3m 48s | |
| 6m 25s | |
| 2m 28s | |
| 16s | |
| 1h 48m 29s |