fix _perform_upload method to use proper selector
#1011
| Job | Run time |
|---|---|
| 8m 57s | |
| 6m 7s | |
| 4m 26s | |
| 19m 30s |
_perform_upload method to use proper selector
#1011
| Job | Run time |
|---|---|
| 8m 57s | |
| 6m 7s | |
| 4m 26s | |
| 19m 30s |