'gym_cityflow'

[zzchuman]

hello, I have installed the module cityflow and ray. I try to run your code. But,

Can you teach me how to solve it？

[CYBruce]

Hi, @zzchuman. Make sure you install the gym_cityflow correctly. You can check it by using pip list. If there is no problem with the installation, you should check you use the correct python environment which has all the needed packages.