ParaviewWeb remote view example error with 5.9RC1

Reported in https://discourse.paraview.org/t/error-when-running-remoteview-example-with-paraview-pv-server-py/6104

Start the remote view web server from this example: https://kitware.github.io/vtk-js/examples/RemoteView.html and user reports an error being thrown by the logger.