Workaround AppVeyor and conda issue with long PATH
Workaround AppVeyor and conda issue with long PATH

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