Fix multistep learning rate parsing
Fix multistep learning rate parsing

ethantang95/DIGITS-GAN,Lucaszw/DIGITS,TimZaman/DIGITS,brainstorm-ai/DIGITS,jmancewicz/DIGITS,Lucaszw/DIGITS,jmancewicz/DIGITS,ethantang95/DIGITS-GAN,gheinrich/DIGITS-GAN,gheinrich/DIGITS-GAN,Lucaszw/DIGITS,ethantang95/DIGITS,dongjoon-hyun/DIGITS,brainstorm-ai/DIGITS,dongjoon-hyun/DIGITS,brainstorm-ai/DIGITS,jmancewicz/DIGITS,brainstorm-ai/DIGITS,Deepomatic/DIGITS,ethantang95/DIGITS-GAN,gheinrich/DIGITS-GAN,ethantang95/DIGITS,Lucaszw/DIGITS,ethantang95/DIGITS,gheinrich/DIGITS-GAN,ethantang95/DIGITS,ethantang95/DIGITS-GAN,bygreencn/DIGITS,Deepomatic/DIGITS,jmancewicz/DIGITS,TimZaman/DIGITS,dongjoon-hyun/DIGITS,Deepomatic/DIGITS,bygreencn/DIGITS,TimZaman/DIGITS,dongjoon-hyun/DIGITS,Deepomatic/DIGITS,bygreencn/DIGITS,TimZaman/DIGITS,bygreencn/DIGITS