[Paraview] How to call a specifc data set from a multi-block ExodusII data set?

[John Mangeri]

I'm currently trying to do something simple. I have a ElementVariable q in
my .e file.

I read them into the pipeline with

reader = ExodusIIReader(FileName = 'out.e')

I want to use

histogram = Histogram(q,BinCount=30)

but I recieve the following error:

Traceback (most recent call last):
  File "<console>", line 1, in <module>NameError: name 'q' is not defined

What is going on here?

Thanks

John
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