OpenMC 'aborts unexpectedly' when plotting

[paulromano]

@Kladdy See the related thread here:

RuntimeError when plotting (in pincell-tutorial's universe.plot() and openmc.plot_geometry())

@sop_kretzschmar Glad to hear you were able to get around this problem! To expand on the underlying issue: libpng warning: Application built with libpng-1.4.12 but running with 1.6.39 Traceback (most recent call last): This tells us that the OpenMC executable was built with one version of libpng (used for plotting) but at the time it’s running, it is picking up a different version of libpng. I think this is really a problem with the conda package for OpenMC, and we probably need to update our …