app.py

import streamlit as st
import plotly.express as px
import plotly.graph_objects as go
import inspect

@st.cache_data
def get_chart_68636849():
    import plotly.express as px
    import numpy as np
    df = px.data.gapminder().query("year == 2007")
    fig = px.treemap(df, path=[px.Constant("world"), 'continent', 'country'], values='pop',
                      color='lifeExp', hover_data=['iso_alpha'],
                      color_continuous_scale='RdBu',
                      color_continuous_midpoint=np.average(df['lifeExp'], weights=df['pop']))
    fig.update_layout(margin = dict(t=50, l=25, r=25, b=25))

    tab1, tab2 = st.tabs(["Simple theme (default)", "Native theme"])
    with tab1:
        st.plotly_chart(fig, theme="streamlit")
    with tab2:
        st.plotly_chart(fig, theme=None)