[BUG] Exporting to Streamlit

[doufs]

Describe the bug
According to the "Exporting to Streamlit" part of docs, after running the example code, it didn't display the HTML content and i found one Error in the browser Console. code is same as docs:

import streamlit as st
import streamlit.components.v1 as components
from pathlib import Path
import pandas as pd
import lux


def app():
    st.title('Analysis of Happy Planet Index Dataset')
    st.write('Check out these cool visualizations!')
    df = pd.read_csv("https://raw.githubusercontent.com/lux-org/lux-datasets/master/data/hpi.csv")
    export_file = 'visualizations.html'
    html_content = df.save_as_html(output=True)
    components.html(html_content, width=800, height=350)


app()

Screenshots
Displayed:

Error found:

Expected behavior
Displayed according to docs:

Could you tell me how to solve this problem?ah..... i'm not skilling at JavaScript related....pls, thanks