Example animated ECharts (more on https://discuss.streamlit.io/t/streamlit-echarts/3655/30)

st_echarts_periodic.py

import random
import time
import streamlit as st
from streamlit_echarts import st_echarts

MAX_ITERATIONS = 100

if "iteration" not in st.session_state:
    st.session_state["iteration"] = 0


def download_data():
    return [random.randint(0, 100) for _ in range(7)]


option = {
    "xAxis": {
        "type": "category",
        "data": ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"],
    },
    "yAxis": {"type": "value", "max": 100},
    "series": [
        {
            "data": download_data(),
            "type": "bar",
            "showBackground": True,
            "backgroundStyle": {"color": "rgba(180, 180, 180, 0.2)"},
        }
    ],
}

st.title("My realtime dashboard")
st_echarts(option, height="500px", key="chart")


time.sleep(1)
st.session_state["iteration"] += 1


if st.session_state["iteration"] < MAX_ITERATIONS:
    st.experimental_rerun()