[typing] Fix typing errors for argument assignments in appendInStep (backport #5734)
#2620
| Job | Run time |
|---|---|
| 4m 54s | |
| 4m 54s |
assignments in appendInStep (backport #5734)
#2620
| Job | Run time |
|---|---|
| 4m 54s | |
| 4m 54s |