Plotly click events in streamlit

[Kevin1]

Hey, ran into the same issue and figured out what’s wrong. Looks like the recent streamlit update is trying to managing plotly’s color. As a result all the color will show up as black unless you use streamlit’s plotly_chart method.

Here is the thread talking about the exact same issue.

Streamlit overrides colours of plotly chart

Summary Ok, so the issue is the following: since version 1.15.2, Streamlit seems to override colours of any created plotly figure, which breaks its rendering when its not done via Streamlit itself (for example, fig.to_html()) Consider the following code: import streamlit as st import pandas as pd import numpy as np import plotly.express as px x_axis = list(range(4))*2 x_axis.sort() data = np.array([["a", "b"]*4, x_axis, [2, 4, 3, 5, 7, 5, 8, 6]]).transpose() df = pd.DataFrame(columns=["cat_…

Hopefully streamlit will fix this. In the mean time if you explicit set plotly line color (might have to use plotly’s graph_object interface) the color will appear correctly.