Sigh. I'll look at it Monday. I don't think I broke it, but I might have <div class="gmail_quote">On Jul 4, 2015 10:40 PM, "Ilia Mirkin" <<a href="mailto:imirkin@alum.mit.edu">imirkin@alum.mit.edu</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Dylan, do you have a minute to take a look? ~/src/piglit/piglit-summary-html.py -e skip -e pass tmp <(cat nvc1-2015-04-28-ilia/results.json) <(xzcat nvcf-2015-07-05-mupuf.xz ) --overwrite Warning: A python exception that should have been handled was not. This is bug and should be reported. BUG: [Errno 20] Not a directory: '/dev/fd/63' Why is it expecting a directory? Should be able to just read the json in... This definitely used to work... -ilia </blockquote></div>