in dist_train.sh file, there is a line ''PYTHONPATH="$(dirname $0)/..":$PYTHONPATH '', what does it mean? I have konwn that it is about PYTHONPATH. But how it works ...
I get an error about the pythonPath being invalid when I try to run it. As soon as I replace it with the full path it works fine, e.g. I happen to use a custom ...