Anaconda On Mac: Can't Set Matplotlib Backend To Agg

I want to set Spyder to use a non-interactive matplotlib backend, so that plot figures do not pop up but I can still save figures to file, like this hint. However, it looks like Sp

Solution 1:

(Spyder maintainer here) As mentioned by @ImportanceOfBeingErnest in his comment above, you simply need to turn off the option called Activate Support in the screenshot you posted to be able to set by yourself the Matplotlib backend you want to use in your code.