he transformer docker image build error on MacOS

[dohyeunglee]

When I try to build docker image with make check_gcc,

E: Unable to locate package yapf3
#5 33.57 E: Unable to locate package python3-yapf

this error comes out. does anyone know how to fix this issue??

[komorekm]

I got the same error when trying to build the docker image under arch linux. Using Ubuntu 18.04 (instead of using Ubuntu 16.04) has fixed the problem. Simply run make check_gcc OS_ID=ubuntu1804.