'OSI Approved :: Apache-2.0 with LLVM exception' is not a valid
classifier and neither is. 'OSI Approved :: Apache-2.0', so change Software License' is the closest
it to 'Freely Distributable'fit for the new license, so we've decided to use this one.
The classifiers seem to only be used for searching on the pypi website,
so this does not actually change the license of the code.
We still pass 'Apache-2.0 with LLVM exception' as the license to setup(),
We still pass 'Apache-2.0 with LLVM exception' asand this appears alongside the classifier on the license to setup()pypi webpage for lit.