no latex with nbsphinx_assume_equations True (default)

this notebook doesn’t have any latex in it and also, nbsphinx_assume_equations is True in conf.py

import numpy as np
x = np.linspace(0, 2*np.pi, 300)
y = np.sin(x**2)

import plotly.graph_objects as go
fig = go.Figure(go.Scatter(
    y=y,
    x=x,
))

fig.update_layout(
    yaxis_title= "sin(x^2)",
    xaxis_title= "x",

)
fig.show()