pytorch-optimizer v0.0.1a12

Changes

63393ae Bump hyperopt from 0.2.3 to 0.2.4
bfc46c4 Bump torchvision from 0.5.0 to 0.6.0
660d831 Bump torch from 1.4.0 to 1.5.0
f21c85a Bump numpy from 1.18.2 to 1.18.3
e8d4866 Bump sphinx from 3.0.1 to 3.0.2
2cfbf20 RAdam fix for issue #96. (#103)
df65965 Bump sphinx from 3.0.0 to 3.0.1
19408f5 Return type hint fixed for torch_optimizer.get (#101)
243509b Bump sphinx from 2.4.4 to 3.0.0
0320faa Raise exception if optimizer not found. Fix few mypy types. (#98)
05b2da5 Bump dev version