Reproduction steps:

1. Open the attached project “CrashRepro“
2. Right-click in the Hierarchy window
3. Go to Activ8 > PyUnity > Select
4. Enter Play Mode
5. Exit Play Mode
6. Repeat step 3

Expected results: Script executes
Actual results: Editor crashes

Reproducible with: 7.0.0-pre.1 (2020.3.43f1, 2021.3.16f1, 2022.1.24f1, 2022.2.2f1, 2023.1.0a24)
Could not test with: 6.0.0 (2021.1.24f1, other packages are dependant on 7.0.0-pre.1 version ), 5.0.0-pre.5 (2021.1.24f1, other packages are dependant on 7.0.0-pre.1 version ))

Reproducible on: Windows 10

First lines of Stack Trace:

{noformat} at <unknown> <0xffffffff>
at (wrapper managed-to-native) UnityEditor.EditorApplication.ExecuteMenuItemWithTemporaryContext (string,UnityEngine.Object[]) [0x00008] in <2cd7ebc9c2ef4276a8edbc7de85c89ce>:0
at UnityEditor.MenuUtils.MenuCallback (object) [0x00053] in <2cd7ebc9c2ef4276a8edbc7de85c89ce>:0
at UnityEditor.GenericMenu.CatchMenu (object,string[],int) [0x00027] in <2cd7ebc9c2ef4276a8edbc7de85c89ce>:0
at (wrapper runtime-invoke) <Module>.runtime_invoke_void__this___object_object_int (object,intptr,intptr,intptr) [0x0002d] in <2cd7ebc9c2ef4276a8edbc7de85c89ce>:0{noformat}