Hi @michaelyang,
try converting your index into string:
import random
import plotly.graph_objects as go
x = [*range(50)]
random.shuffle(x)
x = [str(item) for item in x]
y = [*range(50)]
fig = go.Figure(
go.Scatter(
x=x,
y=y,
mode='lines+markers'
)
)
fig.show()