Apply suggestions from code review
Apply suggestions from code review

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