Model Based Machine Learning Book Chapter 2 Skills example in Pyro- tensor dimension issue

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So, I can remove the .to_event if I also put the tensors inside a plate, which I guess annotates them as actually independent (rather than leaving them unannotated).

   with pyro.plate("probs", 48):
         guess_probs = pyro.sample('guess_prob', dist.Beta(2.5, 7.5))