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Hi Lei,
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<div>I believe you're seeing issue with the latest version of Cython (0.21) that has been fixed in the development version. See <a href="https://bitbucket.org/yt_analysis/yt/pull-request/1202/">https://bitbucket.org/yt_analysis/yt/pull-request/1202/</a></div>
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<div>You can check what version of Cython you are using with this command:</div>
<div>python -c 'import Cython; print Cython.__version__'</div>
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<div>If it is 0.21, I suggest removing the string "language=extension.language," from line 106 of setup.py and that should fix your problem.</div>
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<div>Douglas Rudd</div>
<div>Scientific Computing Consultant<br>
Research Computing Center<br>
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<div><a href="mailto:drudd@uchicago.edu">drudd@uchicago.edu</a></div>
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<div>On Sep 22, 2014, at 12:06 AM, Lei Yang <<a href="mailto:yangleiseti@gmail.com">yangleiseti@gmail.com</a>> wrote:</div>
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Dear yt-users,
<div> I was trying to install yt using pip on my mac, but I got an error massage “<span style="font-family: Menlo; font-size: 11px;">ValueError: got unexpected compilation option: language</span>”, and "<font color="#c33720" face="Menlo"><span style="font-size: 11px;">Command
python setup.py egg_info failed with error code 1 in /private/var/folders/t0/7w97r14x7z3cm9kf1s9jq0mh0000gn/T/pip_build_leiyang/yt </span></font> “. I have no idea what’s going on there. Would you please give me some tips to figure this out? Thanks so much!!!</div>
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<div>Lei</div>
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