Matplotlib Error: “figure includes Axes that are not compatible with tight_layout”

Question

After adding

bbox_inches="tight"

to an invocation of plt.savefig that has worked for several years, I get

Answer 1

In my experience, plt.tight_layout doesn't always work but plt.savefig('fig.png',bbox_inches='tight') does. In addition, you don't need the former after using the latter and I have come to the conclusion after some pretty extensive testing of it.