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Looks like you didn't get FIAT installed correctly. (The FFC error message
is a little cryptic here.)

What if you do the following:

# python
>>> import FIAT

Does that work?

/Anders


> Hello, developers of Fenics!
>
> I downloaded and installed the following packages:
>
> numpy-1.0.3.1
> FIAT-0.3.2
> ufc-1.0
> ffc-0.4.2
> dolfin-0.7.1
>
> using python-2.5 under Windows XP cygwin environment.
> Then tried to compile example:
> ffc Poisson.form
> and have got the following message:
> -------------------------------------------------
> *** Warning: Unable to reorder entities. You need to patch or update your
> *** Warning: installation of FIAT. Variable numbering_scheme is missing.
> *** Warning: Results may be incorrect for higher order elements on tets
> Traceback (most recent call last):
>   File "/usr/bin/ffc", line 26, in <module>
>     from ffc.common.debug import *
>   File "/usr/lib/python2.5/site-packages/ffc/__init__.py", line 14, in
> <module>
>     from ffc.fem.finiteelement import FiniteElement
>   File "/usr/lib/python2.5/site-packages/ffc/fem/finiteelement.py", line
> 14, in <module>
>     from FIAT.shapes import *
>   File "/usr/lib/python2.5/site-packages/FIAT/shapes.py", line 19, in
> <module>
>     import numbering
> ImportError: No module named numbering
> -------------------------------------------------
>
> After that I installed all the set of packages under Debian,
> and have got the same result.
>
> This is probably a bug in software.
> In any case I could not force ffc to work.
>
> Best regards,
> Andrey
>
>
>