Adam optimizer 'betas' config parameter

What is a proper way to set Adam optimizer ‘betas’ yaml configuration parameter?
betas: ‘[x.x,y.yyy]’ didn’t work
Thanks in advance for the help!

Can you please open up an issue at MMF github: https://github.com/facebookresearch/mmf/issues/new/choose?

Done. https://github.com/facebookresearch/mmf/issues/610