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[Garth Wells <767050@xxxxxxxxxxxxxxxxxx>]

** Branch unlinked: lp:dolfin

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https://bugs.launchpad.net/bugs/767050

Title:
  PETScUserPreconditioner is not defined

Status in DOLFIN:
  Fix Committed

Bug description:
  I suspect I found another swig problem: it is not possible in Python to derive a class from 
  PETScUserPreconditioner. The code

  from dolfin import *
  class DiagonalPreconditioner(PETScUserPreconditioner) :
       def __init__(self) :
           PETScUserPreconditioner.__init__(self)

  fails with

  NameError: name 'PETScUserPreconditioner' is not defined

  (The corresponding line in dolfin/swig/import/la.i is indeed missing, but I'm not sure if that 
  is the whole problem.)