SyntaxError: Unexpected token -while using pydeck_chart

Using Streamlit
#1

Hi all !

I am facing SyntaxError at JSON.parse while using pydeck_chart. Note I created mapbox account and set my token to ~/.streamlit/config.toml.

I would be grateful if you can give me some advice.

Here is the error message and my code.

スクリーンショット 2020-11-18 16.48.47
スクリーンショット 2020-11-18 16.48.471426×602 106 KB

import streamlit as st
import pydeck as pdk
import pandas as pd

map_style = "mapbox://styles/mapbox/streets-v11"
initial_view_state = pdk.ViewState(latitude=0,longitude=0,zoom=13,pitch=50)
st.pydeck_chart(pdk.Deck(map_style = map_style, initial_view_state = initial_view_state,
            layers=[pdk.Layer("ScatterplotLayer",data=df, get_position='[lon, lat]',get_color='[200, 20, 0, 100]',get_radius=10)]))

Python 3.6.1
UbuntuOS 18.04
streamlit 0.71.0
pydeck 0.5.0

Thank you.

#2

I am encountering a similar error, my application works fine for a limited number of lat,lon pairs but when I try to use a larger dataset this error occurs. Any help on this would be greatly appreciated.