evaluation/env_infos/average/failed Mean = 0.0

[liuqi8827]

Thanks your great work.
I'm facing a problem of getting the information of evaluation/env_infos/average/failed Mean.
I found that the output of evaluation/env_infos/average/failed Mean always equal to 0.0.
It never changed.

evaluation/env_infos/sum/failed Mean          0
evaluation/env_infos/sum/failed Std           0
evaluation/env_infos/sum/failed Max           0
evaluation/env_infos/sum/failed Min           0
evaluation/env_infos/average/failed Mean      0
evaluation/env_infos/average/failed Std       0
evaluation/env_infos/average/failed Max       0
evaluation/env_infos/average/failed Min       0

Can you give some suggestions?

Thanks a lot!