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I tried to install python wrappers for OpenKinect on Ubuntu 12.04, but I can't due this error:

$ sudo apt-get install python2.7-dev 
python2.7-dev : Depends: libexpat1-dev but it is not going to be installed
                 Depends: libssl-dev but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

Python wrapper requires these dependencies:

  1. Cython
  2. python-dev (error above)
  3. python-numpy

how can I install python-dev?

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you can do it by running this command

sudo apt-get install python-dev
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