[Python] JupyterLab interactive plot

With old Jupyter notebooks, I could create interactive plots via:

import matplotlib.pyplot as plt
%matplotlib notebook
x = [1,2,3]
y = [4,5,6]
plt.figure()
plt.plot(x,y)


However, in JupyterLab, this gives an error:

JavaScript output is disabled in JupyterLab


I have also tried the magic (with jupyter-matplotlib installed):

%matplotlib ipympl


But that just returns:

FigureCanvasNbAgg()


Inline plots work, but they are not interactive plots:

%matplotlib inline

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