Before, the symlinks were created as absolute paths, so it would look like this:
# ls -l /usr/local/bin/ [...] lrwxr-xr-x 1 root wheel 12 Apr 14 14:28 autopep8 -> /usr/local/bin/autopep8-2.7 -rwxr-xr-x 1 root wheel 395 Apr 14 14:28 autopep8-2.7 [...]
After, the symlinks are created with relative paths:
# ls -l /usr/local/bin/ [...] lrwxr-xr-x 1 root wheel 12 Apr 14 14:28 autopep8 -> autopep8-2.7 -rwxr-xr-x 1 root wheel 395 Apr 14 14:28 autopep8-2.7 [...]