relax 1.2.6

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relax version 1.2.6
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Keywords Fatal bug
Release type Major bugfix
Release date 21 July 2006

The PDF version of the relax 1.2.6 user manual The relax 1.2.6 user manual


A quick release to fix the fatal 'devnull' ImportError (bug #6403). This bug effects those using Python versions < 2.4 and prevents relax from starting up. The solution was to import the object using a try statement to allow execution of the program. However if relax ever attempts to use 'devnull' a RelaxError is thrown, a message saying to upgrade to Python ≥ 2.4 is printed, and the program terminates. This is currently only a problem in the test-suite.


The new relax versions can be downloaded from If binary distributions are not yet available for your platform and you manage to compile the binary modules, please consider contributing these to the relax project (described in section 3.6 of the relax manual,


Version 1.2.6
(21 July 2006, from /1.2)






  • Added the missing PDB file used by one of the OpenDX tests of the relax test-suite. (bug #6404)
  • Fixed the fatal devnull import failure for Python versions < 2.4. (bug #6403)


For reference, the following links are also part of the announcement for this release:


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See also