Add these lines to .bashrc:
export NUMBAPRO_LIBDEVICE=/usr/local/cuda/nvvm/libdevice
export NUMBAPRO_NVVM=/usr/local/cuda/nvvm/lib64/libnvvm.so.3
More info:
http://stackoverflow.com/questions/41496299/library-nvvm-not-found-when-trying-to-use-numba