Saving Delta Function Histograms Omits Data

Iā€™m trying to plot several histograms and save them in one plot. This is what my plot looks like:

However, I notice that when I save the plot, my data disappears:

I suspect that this is due to the delta function-like distributions. How do I ensure my plot is saved correctly?

Hum this might be a problem of not using the right figure size when saving, as described for example in Downloaded plot looks nothing like it does on the web page.

I found that using the scale argument greater than 1 (e.g. scale=3) works!