It's a neat concept. I also agree that the lambda statement in Python is ugly, but actually using this in a Python project feels wrong.
Not that you couldn't call it a "transpiler" and consider it a new dialect of Python... Hey, the Javascript community gets away with it, why not Python?
Also, while I can't think of a normal use case, it is possible that someone intended to use (a, b, c) > (x, y, z) as a tuple comparison. ">>" or something might be safer.