“It’s hours of boredom interrupted by a few minutes of pretty intense adrenalin,” says one jaded participant in the Florida Python Challenge, an annual government-organized effort to curb the state’s vast, destructive Burmese python population. Happily, in his aptly peculiar film, docmaker Xander Robin downplays the boredom in favor of the adrenalin, and even more compellingly, of the Challenge’s diverse but uniformly eccentric sociological makeup. Selecting an ensemble of real-life capital-C Characters as our guides through an event that, while pragmatic in conception, proves violently lurid in execution (so to speak), Robin offers a slice of true modern Americana with the same balance of earthy reality and semi-surreal bad taste that made “Tiger King” a viral hit a few years back. Where that doc series had the advantage of global Netflix exposure to make it a sensation, “ The Python Hunt ” has the makings of a more organically fostered cult item.…