When you try to install regular hdf with pytables support on ubuntu 11.04 for python 2.7 there is little unresolved dependency (liblzo – LZO [3[) that doesn't get instantly resolved. If you try some "import tables" you can get somethink like this:
ImportError: /usr/lib/python2.7/dist-packages/tables/hdf5Extension.so: undefined symbol: H5T_STD_U8BE_g
According to this source [1] there is a workaround to this:
apt-get install liblzo2-2
This is filed as issue [2], and hopefully it will be resolved in future.
[1] https://answers.launchpad.net/ubuntu/+source/pytables/+question/159188
[2] https://bugs.launchpad.net/ubuntu/+source/pytables/+bug/740396
[3] http://www.oberhumer.com/opensource/lzo/


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