Add note about get_video convention to ImagingExtractor
#162
| Job | Run time |
|---|---|
| 1m 50s | |
| 3m 56s | |
| 3m 2s | |
| 2m 3s | |
| 3m 18s | |
| 3m 9s | |
| 1m 43s | |
| 3m 56s | |
| 2m 53s | |
| 2m 12s | |
| 3m 16s | |
| 3m 3s | |
| 34m 21s |