added specific version to pillow
added specific version to pillow

google/personfinder,gimite/personfinder,AwesomeTurtle/personfinder,gimite/personfinder,gimite/personfinder,AwesomeTurtle/personfinder,google/personfinder,google/personfinder,gimite/personfinder,AwesomeTurtle/personfinder,google/personfinder