Hi Martin,

My first guess would be that your state file is trying to load data that
isn't there.  Then when you run your programmable filter inputs[0] is None
and you get this error message.  I can't think of anything else that could
be going wrong with that script, especially since it works on one of your
machines.

HTH,
Shawn

On Tue, Mar 6, 2018 at 6:16 PM, Martin Weinberg <martin.weinb...@comcast.net
> wrote:

> I have two nearly identical machine running Ubuntu 17.10.  The both have
> the latest stable Paraview 5.4.1 from the download page installed in /opt.
>
> I wrote a wrapper script like this:
>
> ------------------------------------------------------------
> --------------------------------------------------------
>
> #!/bin/bash
>
> # PVHOME=/opt/ParaView-5.4.1-822-g597adef-Qt5-MPI-Linux-64bit
> PVHOME=/opt/ParaView-5.4.1-Qt5-OpenGL2-MPI-Linux-64bit
>
> export PATH=$PVHOME/bin
> export LD_LIBRARY_PATH=$PVHOME/lib/
> export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$PVHOME/lib/paraview-5.4/
> export PYTHONPATH=$PVHOME/lib/python2.7/bin/
> export PYTHONPATH=$PYTHONPATH:$PVHOME/lib/python2.7/site-packages/
> export PYTHONPATH=$PYTHONPATH:$PVHOME/lib/python2.7/site-packages/vtk/
> export PYTHONPATH=$PYTHONPATH:$PVHOME/lib/python2.7/site-
> packages/paraview/
>
> $PVHOME/bin/paraview
> ------------------------------------------------------------
> --------------------------------------------------------
>
> On each machine I start paraview and load a state that has a
> programmable filter with the line:
>
> d0 = inputs[0].PointSet['d']
>
> One one machine, this works just fine.  On the other machine, I get the
> following message in the Output:
>
> ------------------------------------------------------------
> --------------------------------------------------------
>
> Traceback (most recent call last): File "", line 24, in File "", line 2,
> in RequestData TypeError: 'NoneType' object has no attribute '__getitem__'
>
> BTW, this is just a test; obviously, my real filter does something.
>
> I assume that some module is not being loaded here, but I've tried
> _everything_ I could think of and I'm not making progress.  Any ideas??
>
> --
> Martin Weinberg
> 6 Grass Hill Rd
> West Whately, MA
> 010039
>
>
>
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