Replace missing "^" with "e"
Replace missing "^" with "e"

Signed-off-by: Chuck McCallum <20d22f3031b7f3fc03f2ad6cdfe7ee86d2faf684@gmail.com>
docker/docker-py,youhong316/docker-py,vdemeester/docker-py,funkyfuture/docker-py,funkyfuture/docker-py,youhong316/docker-py,docker/docker-py,vdemeester/docker-py