matplotlib/seaborn: first and last row cut in half of heatmap plot

Question

When plotting heatmaps with seaborn (and correlation matrices with matplotlib) the first and the last row is cut in halve. This happens also when I run this minimal code exa

Answer 1

I solved it by adding this line in my code, with matplotlib==3.1.1:

ax.set_ylim(sorted(ax.get_xlim(), reverse=True))

NB. The only reason this works is because the x-axis isn't changed, so use at your own risk with future mpl versions