Attempt Isaac gym in isaac sim, run the cartpole example, i met some problem

Good day ,every one!

Now, i attempt to use new version Isaac gym in Isaac Sim. And i follow the instruction in the omniverse tutorial:
when i run the training script : PYTHON_PATH
some error happend, but i don’t know how to solve it.

anybody can help me? Thanks.

The error is in the following pictures:

My gpu is RTX 2060s 8G