Doctor didn't stitch me right..

I'm 7 weeks pp now and had a 3rd degree tear.. I had my 6 week follow up 3 days ago.. she gave me the go to have sex again and well.. when the bf went down there he said that there's a small hole in that area šŸ™ƒ so I took a picture and it turns out she missed a stitch and now there's a tiny hole in the skin that's between the vagina and the bum hole.. it also feels tighter which even with a condom AND lube I wasn't able to finish having sex šŸ™ƒ It hurt and was super uncomfortable.. what should I do? I feel like my sex life is over..