ID 462256 - Nuke crashes when clearing/closing a specific script with a Peregrine Bokeh node

Problem summary
Nuke crashes when clearing/closing a specific script with a Peregrine Bokeh node.

Customer reported version
nuke.12.2v3

Customer reported platform
windows10

Steps to reproduce

1) From Nuke, load the attached script.

2) Clear or close the script with File > Close comp or Clear.

Expected behavior
Nuke should clear the script and continue to function.

Actual behavior
Nuke crashes after selecting Clear or Close comp while the script is loaded.

Workaround
Selecting the disabled pgBokeh4 node and enabling it no longer has the crash occur while the same Nuke session is open, no matter how many times the script is loaded and cleared.

Reproduced by Support in:

Nuke 12.2v3 - Windows 10

Nuke 12.2v1 - Windows 10

Nuke 12.1v1 - Windows 10

Nuke 12.0v1 - Windows 10

Nuke 11.0v1 - Windows 10

Unable to reproduce bug in:
Nuke 10.5v8 - Windows 10

Earliest version tested
Nuke 10.5v8 - This issue doesn't appear in this version and has regressed