
Fixes missing chgrp on symlinks in package installations, and errors on symlinks referencing non-existent or non-writable locations. Note: `os.chown(.., follow_symlinks=False)` is python3 only, but `os.lchown` exists in both versions.
Fixes missing chgrp on symlinks in package installations, and errors on symlinks referencing non-existent or non-writable locations. Note: `os.chown(.., follow_symlinks=False)` is python3 only, but `os.lchown` exists in both versions.