Fix extension attribute inheritance
Fix extension attribute inheritance

jriehl/numba,gdementen/numba,ssarangi/numba,stonebig/numba,stuartarchibald/numba,stonebig/numba,sklam/numba,numba/numba,gdementen/numba,seibert/numba,seibert/numba,jriehl/numba,IntelLabs/numba,pitrou/numba,stefanseefeld/numba,seibert/numba,stuartarchibald/numba,cpcloud/numba,sklam/numba,GaZ3ll3/numba,ssarangi/numba,stonebig/numba,pitrou/numba,pitrou/numba,cpcloud/numba,stonebig/numba,seibert/numba,jriehl/numba,GaZ3ll3/numba,ssarangi/numba,stuartarchibald/numba,jriehl/numba,stefanseefeld/numba,IntelLabs/numba,gdementen/numba,numba/numba,gmarkall/numba,jriehl/numba,pitrou/numba,GaZ3ll3/numba,GaZ3ll3/numba,gmarkall/numba,sklam/numba,cpcloud/numba,pitrou/numba,stefanseefeld/numba,stefanseefeld/numba,gmarkall/numba,shiquanwang/numba,cpcloud/numba,numba/numba,numba/numba,numba/numba,shiquanwang/numba,stuartarchibald/numba,sklam/numba,IntelLabs/numba,seibert/numba,pombredanne/numba,shiquanwang/numba,ssarangi/numba,stefanseefeld/numba,gdementen/numba,stuartarchibald/numba,gmarkall/numba,GaZ3ll3/numba,IntelLabs/numba,gdementen/numba,pombredanne/numba,gmarkall/numba,IntelLabs/numba,pombredanne/numba,sklam/numba,pombredanne/numba,cpcloud/numba,ssarangi/numba,pombredanne/numba,stonebig/numba