Lux and Streamlit Cloud compatibility

Hi! I want to demo Lux on a Streamlit Cloud app. The source code works for me locally (i.e. with streamlit run, but fails to recognize Lux’s dataframe class when running on a cloud app. For context, Lux has a LuxDataFrame class that inherits from the Pandas dataframe. The error is displayed below:

I have included a requirements.txt file as well.

Any ideas? Is this inheritance behavior supported on Streamlit cloud?