Replace != None with is not None in Python bindings
#485
| Job | Run time |
|---|---|
| 4m 12s | |
| 4m 9s | |
| 4m 31s | |
| 4m 37s | |
| 4m 15s | |
| 4m 25s | |
| 2m 28s | |
| 2m 20s | |
| 2m 17s | |
| 4m 22s | |
| 4m 36s | |
| 4m 31s | |
| 4m 24s | |
| 4m 59s | |
| 27s | |
| 22s | |
| 21s | |
| 20s | |
| 24s | |
| 20s | |
| 34s | |
| 40s | |
| 40s | |
| 44s | |
| 43s | |
| 7s | |
| 3s | |
| 1h 1m 51s |