e8df5cec83
Previously BPY_python_end wasn't called when scripts called sys.exit() because BPY_python_end exited the Python interpreter. Change this behavior to call BPY_python_end without exiting the Python interpreter while freeing Blender/Python data. While leaks in the context of sys.exit aren't especially important it's generally preferable for sys.exit() to match Blender's code-paths for exiting to avoid unexpected behavior.
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