AttributeError: module 'omni.usd' has no attribute 'UsdContext'

Ok after consulting with ChatGPT, I found the solution. If anyone has the same problem, you can consider this one:

Clear Isaac Sim’s extscache in the venv (this is where the compiled extension shims live)

rm -rf ~/path/to/python3.11/site-packages/isaacsim/extscache

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