<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Dear pyfeyn devs,</div><div><br></div><div>I really like pyfeyn, but after installing it on my new mac I run into the following trouble:</div><div><br></div><div>>>> import pyfeyn</div><div>You don't have PyX - that's a problem unless you're just running the setup script.</div><div><br></div><div>It seems the line</div><div><br></div><div><pre style="color: rgb(0, 0, 0); font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; word-wrap: break-word; white-space: pre-wrap; "> if pyx.pykpathsea.find_file("hepnicenames.sty", pyx.pykpathsea.kpse_tex_format):</pre></div><div>of </div><div><br></div><div><a href="http://pyfeyn.hepforge.org/svn/pyfeyn/trunk/pyfeyn/__init__.py">http://pyfeyn.hepforge.org/svn/pyfeyn/trunk/pyfeyn/__init__.py</a></div><div><br></div><div>is the problem, since</div><div><br></div><div><div>>>> import pyx</div><div>>>> pyx.pykpathsea</div><div>Traceback (most recent call last):</div><div> File "<stdin>", line 1, in <module></div><div>AttributeError: 'module' object has no attribute 'pykpathsea'</div></div><div><br></div><div>I did some quick google searches for a fix but didn't find anything - any idea what could be wrong? I have the latest py-pyx version from macports (0.11.1) and the below python version running under OS X Lion (10.7.5).</div><div><br></div><div><div>Python 2.7.1 (r271:86832, Aug 5 2011, 03:30:24) </div><div>[GCC 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2335.15.00)] on darwin</div></div><div><br></div><div>Thanks a lot!</div><div><br></div><div>Best,</div><div>Christian</div><div><br></div><div>PS. pyfeyn works great despite this message, except for when I try to add LaTeX labels for the particles, e.g. using the (also very appreciated!) hepnames package.</div></body></html>