ID 354549 - Mari 4.1v1 crashes on startup with custom Python scripts

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Problem summary
Mari crashes on startup when custom Python scripts are imported.

Customer reported version
4.1v1
Customer reported platform
centos7

Steps to reproduce

1) Install a custom Python script via your Scripts folder or your pipeline (such as Mari Extension Pack)

2) Launch Mari
Note: Mari will crash on startup


3) Your Marilog.txt file will contain the following error or similar:

MriBin: Modules/gcmodule.c:366: visit_decref: Assertion `gc->gc.gc_refs != 0' failed

Workaround
Unknown.

Reproduced by development
4.1v1


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