No that was the way the lens rendered the background. I didn't really edit anything outside the usual tweak of the RAW image to make it look like a jpeg (processed).
OK. It just looks like it's been smudge. But if that was the background not much you can do about it
This is a prenatal problem with photography, we are so busy looking at the subject we are oblivious to the surroundings. We all do it then spend hours painting out the the branch sticking in an ear