If it makes you feel better, a few pinholes here and there don’t actually present a significant problem.
Plants flower herm-free under moonlight and starlight. Which is honestly almost bright enough to read by once in a while. There is a bit of a “weed culture mythos” built around “it needs absolute uninterrupted 100% total darkness the entire flower cycle”. Further, ambient room lighting is pretty dim, considering, it’s not like it’s full sun outside the tent.