Correct once dataset default path and paths for data generation#1207

Open

kun-woo-park wants to merge 3 commits intoopen-mmlab:masterfrom kun-woo-park:once_train_kunwoo

+12-5

Commits on Dec 1, 2022

Set pyyaml requirements version to supported version 5.4.1(yaml.load() without Loader=... is deprecated in latest virsion)
kun-woo-park
committed
Correct default info option for once dataset and components inside ignore list to generate dataset properly(if download dataset without raw datas, dataset generator not working)
kun-woo-park
committed
Make sources to generate only existing datssets
kun-woo-park
committed