PYTHON-5488 append_metadata should not add duplicates
#3591
| Job | Run time |
|---|---|
| 1m 37s | |
| 1m 37s | |
| 1m 10s | |
| 4m 24s |
append_metadata should not add duplicates
#3591
| Job | Run time |
|---|---|
| 1m 37s | |
| 1m 37s | |
| 1m 10s | |
| 4m 24s |