No module named 'bart_score'

[JhyOnya]

File ".../PIXIU/src/eval.py", line 5, in
import tasks
File ".../PIXIU/src/tasks/init.py", line 7, in
from . import flare
File ".../PIXIU/src/tasks/flare.py", line 11, in
from bart_score import BARTScorer
ModuleNotFoundError: No module named 'bart_score'

[AbdelkaderYS]

Same problem. Have you been able to fix this?

[JhyOnya]

No... Finally I don't use PIXIU.

[ArkNightmaster]

Same problem. Does anyone have a solution?