nbextension 'varinspector' interferes with RPC server

[fhidalgor]

Hi,

When I have the nbextension 'varinspector' turned on, and I run the command pymol.start() I get the following message: "A PyMOL RPC server is already running."

If I turn that nbextension off, reset the laptop and run pymol.start() then ipymol works fine.