I'm on Mojave 10.14.2 with Matplotlib 3.0.2 installed via Conda, and cannot produce plots. Oddly, this issue (NSException) occurs only in Sublime Text; if I run the identical code using the same Conda ...
I use PyCharm. For some reasons, it fails to show plots with the default Qt5Agg backend. I tried to use GTK, but it fails even in IPython 6.4 (without PyCharm), although I have PyGTK. pygtk /usr/ ...