How to get Sage 8.0 to plot matplotlib plots inline and typeset expressions on a Jupyter notebook?

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If I start Sage 8.0 notebook using the jupyter notebook (sage -n jupyter), and the following code:

from numpy import arange, sin, pi

import matplotlib.pyplot as plt

X = arange(0.0, 2*pi, 0.01)

plt.plot(X, sin(X))

plt.show()

x + 1

The plot displays inline but the expression $x+1$ is not typeset.

If I run the following code:

%display typeset


from numpy import arange, sin, pi

import matplotlib.pyplot as plt

X = arange(0.0, 2*pi, 0.01)

plt.plot(X, sin(X))

plt.show()

x + 1

Then, the plot does not display inline. It shows:

𝙵𝚒𝚐𝚞𝚛𝚎(𝟺𝟹𝟸𝚡𝟸𝟾𝟾)

However, the expression $x+1$ is in typeset.

How can I have both the matplotlib plots display inline and expressions typeset?