<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi Yingchao,<div class=""><br class=""></div><div class="">That’s correct—thanks for finding that and we will fix it!</div><div class=""><br class=""></div><div class="">Best,</div><div class=""><br class=""></div><div class="">John </div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Feb 17, 2017, at 12:39 PM, Yingchao Lu <<a href="mailto:yingchao.lu@rice.edu" class="">yingchao.lu@rice.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="WordSection1" style="page: WordSection1; font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div style="margin: 0in 0in 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class="">In<o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class=""><a href="http://yt-project.org/doc/examining/loading_data.html" style="color: rgb(149, 79, 114); text-decoration: underline;" class="">http://yt-project.org/doc/examining/loading_data.html</a><o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0in 0in 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class="">import yt<o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0in 0in 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class="">units_override = {"length_unit":(1.0,"Mpc"),<o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class=""> "time_unit"(1.0,"Myr"),<o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class=""> "mass_unit":(1.0e14,"Msun")}<o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0in 0in 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class="">ds = yt.load("id0/cluster_merger.0250.vtk", units_override=units_override)<o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0in 0in 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class="">It seems a : is missing after time_unit<o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0in 0in 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class="">Yingchao<o:p class=""></o:p></span></div></div><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">_______________________________________________</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; 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