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Editorial Team
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Asked: 2026-05-12T23:17:03+00:00

I installed libjpeg and PIL, but when I try to save a JPG image,

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I installed libjpeg and PIL, but when I try to save a JPG image, I always get this error:

ImportError: The _imaging C module is not installed

Any help much appreciated!

I tried to import _imaging w/ Python interpreter to see what’s wrong and got this:

    >>> import _imaging
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: dlopen(/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/PIL/_imaging.so, 2): Symbol not found: _jpeg_resync_to_restart
  Referenced from: /Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/PIL/_imaging.so
  Expected in: dynamic lookup
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1 Answer

  1. Editorial Team

    I just hit this as well on SL, and the problem is likely your libjpeg was built without a matching architecture. Assuming you’re using MacPorts, run file /opt/local/lib/libjpeg.dylib. The right way is to build everything with MacPorts as +universal, see
    Universal Binaries in MacPorts as it relates to PIL dependencies.

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