[Paraview] Teaser (Programmable filter) Not working

[Mohammed Babiker]

Good evening Paraview-Help
I tried to run the script in Paraview guide chapter fourteen (Teaser) page 175 I used first source sphere then the filter elevation and then programmable filter and then I paste the script bellow in script part:
from vtk. numpy_interface import dataset_adapter as dsa
from vtk. numpy_interface import algorithms as algs
data = inputs [0]
print data.PointData.keys ()
print data.PointData[’Elevation ’]
and the rest left default as it was .after hitting run it suppose to get a table as was said in the guide but I got the below error :
File "<string>", line 6
print data.PointData[’Elevation ’]
^
SyntaxError: invalid syntax
Traceback (most recent call last):
File "<string>", line 22, in <module>
NameError: name 'RequestData' is not defined
Then I tried to change the output type to different types (vtktable,vtkpolydata,…etc) and I got different errors.
Below attached images contain info. About the version of ParaView and the pipeline scheme (format png).
Any help or advice  will be greatly appreciated .

Kind Regards.

Mohammed B. A. Hassan 
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