How to solve this problem:"No module named 'ecnet'"?

[whitene]

When I was running code ,it encountered this problem.How can I solve it?

[luoyunan]

Did you run the following two lines in our installation instructions in the README file?

cd ECNet
export PYTHONPATH=$PWD:$PYTHONPATH

Note that ECNet is the root directory of this GitHub repo, and there is a ecnet folder in this ECNet folder