I found my answer in a previous post: Saving a Numpy array as an image. The only problem being, there isn\'t much instruction on using the PyPNG module.
There are only
It would be best to use scipy for it.
from scipy.misc import imsave # x is the array you want to save imsave("image.png", x)
Full documentation is here: https://docs.scipy.org/doc/scipy-0.14.0/reference/generated/scipy.misc.imsave.html