I'm one of the engineers who worked on the Splunk Datasets Add-on. Thanks for your report. By any chance, were you on some sort of intranet when you clicked that link, or otherwise didn't have internet access? Looking at the code now, if for some reason there was a problem connecting to splunkbase.splunk.com, then you'd experience what you described. This is an oversight on my part! I've filed a bug and we'll address it very soon. Thanks for bringing it to our attention!
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