Add python-pip to DIGITS dependencies
Add python-pip to DIGITS dependencies

ethantang95/DIGITS-GAN,gheinrich/DIGITS-GAN,TimZaman/DIGITS,TimZaman/DIGITS,ethantang95/DIGITS,TimZaman/DIGITS,ethantang95/DIGITS-GAN,ethantang95/DIGITS-GAN,TimZaman/DIGITS,gheinrich/DIGITS-GAN,ethantang95/DIGITS-GAN,ethantang95/DIGITS,gheinrich/DIGITS-GAN,ethantang95/DIGITS,ethantang95/DIGITS,Deepomatic/DIGITS,Deepomatic/DIGITS,Deepomatic/DIGITS,gheinrich/DIGITS-GAN,Deepomatic/DIGITS