$ apk --no-cache add py2-pip python-devfetch http://dl-cdn.alpinelinux.org/alpine/v3.12/main/x86_64/APKINDEX.tar.gzfetch http://dl-cdn.alpinelinux.org/alpine/v3.12/community/x86_64/APKINDEX.tar.gzERROR: unsatisfiable constraints: py2-pip (missing): required by: world[py2-pip] python-dev (missing): required by: world[python-dev]ERROR: Job failed: exit code 2