They have hunts but pythons are incredibly elusive and the Everglades is huge and much is inaccessible.
https://news.vice.com/article/hunters-descend-on-southern-florida-for-annual-python-hunt
But the hunts are a joke. Put a year round bounty on their head and let the boys have at it. It would be cheaper than all the money they waste study and trying to figure out these creatures.