ModuleNotFoundError in new Bert Semantic Interlinking App

Hi,
i get this error when i try to launch the app in streamlit:

File "/home/appuser/venv/lib/python3.9/site-packages/streamlit/scriptrunner/script_runner.py", line 554, in _run_script
    exec(code, module.__dict__)
File "bert_interlinker/bert_semantic_interlinker.py", line 8, in <module>
    from streamlit_echarts import st_echarts