<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><font class="Apple-style-span" face="Arial, sans-serif" size="3"><span class="Apple-style-span" style="font-size: 13px; ">Hi everyone,</span></font></div><div><font class="Apple-style-span" face="Arial, sans-serif" size="3"><span class="Apple-style-span" style="font-size: 13px; "><br></span></font></div><div><font class="Apple-style-span" face="Arial, sans-serif" size="3"><span class="Apple-style-span" style="font-size: 13px; ">I'm trying to make a merger tree on Kraken using parallelHOP and the public yt installation, but am getting this error: </span></font></div><div><font class="Apple-style-span" face="Courier"><br></font></div><div><font class="Apple-style-span" face="Courier">Traceback (most recent call last):</font></div><div><font class="Apple-style-span" face="Courier"> File "./merger.py", line 9, in <module></font></div><div><font class="Apple-style-span" face="Courier"> MergerTree(files, database='/lustre/scratch/oshea/PopIII_smallbox/halos.db', halo_finder_function=parallelHF)</font></div><div><span class="Apple-style-span" style="font-family: Courier; ">NameError: name 'parallelHF' is not defined</span></div><div><br></div><div><font class="Apple-style-span" face="Arial, sans-serif" size="3"><span class="Apple-style-span" style="font-size: 13px; ">All of the requisite Forthon and KD Tree bits seem to be there, and the only thing that I found in the yt install that might be problematic is that I can't access the Forthon directory at /lustre/scratch/proj/yt_common/trunk/src/Forthon-0.8.3/ . I don't know if that could possibly cause problems, but it made me curious. Does anyone have any tips on what's going wrong? R</span></font>unning the exact same script with HaloFinder instead of parallelHF works without problem (just very slowly at lower redshifts).</div><div><font class="Apple-style-span" face="Arial, sans-serif" size="3"><span class="Apple-style-span" style="font-size: 13px; "><br></span></font></div><div><font class="Apple-style-span" face="Arial, sans-serif" size="3"><span class="Apple-style-span" style="font-size: 13px; ">Thanks,</span></font></div><div><font class="Apple-style-span" face="Arial, sans-serif" size="3"><span class="Apple-style-span" style="font-size: 13px; ">Brian</span></font></div></body></html>