Only one photo loaded for me, but, yes, it looks like it has the Spider gene.
If you are rehoming the snake, do make sure to note in the description that it has the 'Spider' gene.
If you are buying and looking for a pet, then you can turn the snake upside down (when examining it) and see if it takes 'too long' to right itself and/or behaves oddly (head/neck twist).
If you are looking at this one as a potential future breeder...then I would never even consider it unless the python breeder I was purchasing from has a established reputation for only selling quality specimens.
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