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[Anders Logg <logg@xxxxxxxxx>]

I'm experimenting with the element extraction/auto-select in FFC. When
I do

  from ufl.algorithms import extract_sub_elements

inside ffc.analysis, I get

cannot import name extract_sub_elements
Traceback (most recent call last):
  File "test.py", line 4, in <module>
    from dolfin import *
  File
  "/home/logg/scratch/src/dolfin/local/lib/python2.6/site-packages/dolfin/__init__.py",
  line 28, in <module>
    from dolfin.common import *
  File
  "/home/logg/scratch/src/dolfin/local/lib/python2.6/site-packages/dolfin/common/__init__.py",
  line 2, in <module>
    from dolfin.common.globalparameters import *
  File
  "/home/logg/scratch/src/dolfin/local/lib/python2.6/site-packages/dolfin/common/globalparameters.py",
  line 24, in <module>
    raise RuntimeError, "Could not import %s form compiler." %
    form_compiler_name
RuntimeError: Could not import ffc form compiler.

It works fine to import extract_elements. It also works fine if I do

  from ufl.algorithm.analysis import extract_sub_elements

Strange? Could it have anything to do with analysis.py existing in
both FFC and UFL?

--
Anders