Problem Paraview/VTK

Dear All,

When I run the example “web-project-templates-master” in Windows gives the following error:

C:\Users\Luis.Goncalves_ext\novo_botao>"C:\Program Files\ParaView 5.9.1-Windows-Python3.8-msvc2017-64bit\bin\pvpython" .\server\vtkpython\vtkw-server.py --content .\dist --port 1234
Traceback (most recent call last):
  File ".\server\vtkpython\vtkw-server.py", line 40, in <module>
    from wslink import server
  File "C:\Program Files\ParaView 5.9.1-Windows-Python3.8-msvc2017-64bit\bin\Lib\site-packages\wslink\server.py", line 16, in <module>
    from wslink import websocket as wsl
  File "C:\Program Files\ParaView 5.9.1-Windows-Python3.8-msvc2017-64bit\bin\Lib\site-packages\wslink\websocket.py", line 18, in <module>
    from autobahn.twisted.websocket import WebSocketServerFactory
  File "C:\Program Files\ParaView 5.9.1-Windows-Python3.8-msvc2017-64bit\bin\Lib\site-packages\autobahn\twisted\__init__.py", line 54, in <module>
    from autobahn.twisted.wamp import ApplicationSession
  File "C:\Program Files\ParaView 5.9.1-Windows-Python3.8-msvc2017-64bit\bin\Lib\site-packages\autobahn\twisted\wamp.py", line 48, in <module>
    from autobahn.wamp import protocol, auth
  File "C:\Program Files\ParaView 5.9.1-Windows-Python3.8-msvc2017-64bit\bin\Lib\site-packages\autobahn\wamp\auth.py", line 40, in <module>
    from cryptography.hazmat.primitives.kdf.pbkdf2 import PBKDF2HMAC
ModuleNotFoundError: No module named 'cryptography'

Can you please give a solution?

Thanks,

Luís Gonçalves

This is a bug in ParaView 5.9.1, fixed in master.

If you have any follow up question, please ask on ParaView discourse.
https://discourse.paraview.org/