avoid cryptic SVG rendering error / check that solution output is actually a tensor #27
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The problem: If the user's solution to a puzzle is a rank-0 tensor (eg,
tensor(6)), runningmake_testresults in a cryptic TypeError many levels deep in the SVG-rendering code. This is documented pretty well by @ikamensh in #23.This solution: This change adds a check,
torch.is_tensor(yours) and yours.ndim > 0, before adding the user's solution output to the data to be rendered to the SVG.Caveats: The solution checker seems to accept
tensor(6),tensor([6]),tensor([[6]]), equally. Before this change, the SVG-rendering code would error out before solution checker ran, so you could call that "failing". I don't completely understand the solution-checking code and I'm not sure whether that is intended behavior.Hopefully this makes sense. I'm happy to discuss it or make changes if you'd like. Thanks in advance!