Honestly I have no idea how one would even decide what the "most important" problems in software development are.
But in the Python world, having native-Python packaging tools that are small and interoperable (with a proper API) that don't suck, seems pretty important to me, so...
But in the Python world, having native-Python packaging tools that are small and interoperable (with a proper API) that don't suck, seems pretty important to me, so...