Controlling axis limits and intervals in plot_posterior and traceplot

How do I control the limits and intervals in graphical outputs like plot_posterior and traceplot? I understand from the doc that it can take plt.plot arguments. Unfortunately, naive attempts such as set_xlim(a,b) do not have any effect. Many thanks!
Gregory

pm.traceplot returns an array of matplotlib axes objects, and you can call set_xlim on them.

axes = pm.traceplot()
axes[0,0].set_xlim(a,b)

Thanks for your reply. I was able to follow your advice and modify the plots.

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