Adopt gammavariate changes in py3.8
Adopt gammavariate changes in py3.8

seibert/numba,gmarkall/numba,numba/numba,sklam/numba,sklam/numba,numba/numba,cpcloud/numba,seibert/numba,cpcloud/numba,IntelLabs/numba,stonebig/numba,gmarkall/numba,numba/numba,sklam/numba,stonebig/numba,stuartarchibald/numba,gmarkall/numba,stonebig/numba,sklam/numba,stuartarchibald/numba,stonebig/numba,numba/numba,IntelLabs/numba,stuartarchibald/numba,IntelLabs/numba,stonebig/numba,seibert/numba,sklam/numba,seibert/numba,cpcloud/numba,gmarkall/numba,IntelLabs/numba,stuartarchibald/numba,IntelLabs/numba,cpcloud/numba,gmarkall/numba,seibert/numba,numba/numba,stuartarchibald/numba,cpcloud/numba