Add pygments dependency.
Add pygments dependency.

zhanghaowx/Escape,gayanvirajith/harmony,yuhuanq/yuhuanq.github.io,brossetti1/brossetti1.github.io,brossetti1/brossetti1.github.io,gayanvirajith/harmony,brossetti1/brossetti1.github.io,zhanghaowx/Blog-Escape,zhanghaowx/Blog-Escape,Cawhee/harmony,zhanghaowx/Escape,zhanghaowx/Escape,Cawhee/harmony,zhanghaowx/Blog-Escape,gayanvirajith/harmony,Cawhee/harmony