Looks like it's going to take a while to get Python 3.9 support in the numba stack: https://github.com/numba/numba/issues/6345#issuecomment-706722002
This isn't just a little python library, it's a Python JIT for Python, so I'd believe that supporting 3.9 is non-trivial. SR -- Stefano Rivera http://tumbleweed.org.za/ +1 415 683 3272
