Openmc_plot problem

Hello everyone!
I am trying to use openmc_plot but I face an error. I was wondering if anybody could please help me to figure it out
I get this when I open it:

ModuleNotFoundError: No module named ‘openmc’

Traceback:

File "/home/zeinab/.local/lib/python3.10/site-packages/streamlit/runtime/scriptrunner/script_runner.py", line 584, in _run_script
    exec(code, module.__dict__)File "/home/zeinab/.local/lib/python3.10/site-packages/openmc_plot/app.py", line 2, in <module>
    import openmc