Disqus comments on Alto theme don't appear unless you click a button

Hello – I recently switched themes on my blog (rtalbert.org) from mnml to Alto. I had Disqus set up and working on the mnml theme, but although Alto claims that it supports Disqus out of the box, it’s not enabled by default. I took the contents of my /partials/comments.hbs file from the mnml setup and just dumped the entire thing into the same file in the Alto theme and re-uploaded it. It worked, except that there is a button indicating how many comments there are but the comments themselves don’t appear unless you click the button:

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On mnml the comments showed up automatically. Is there a special/additional setting I need to adjust on Alto to have them appear without the click?