Fix BSeparatorView holder ownership - #23
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cyberman wants to merge 1 commit into
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Problem
BSeparatorView uses an owning Python holder even after its lifetime has been transferred to a BWindow.
This can cause a second deletion attempt when the Python wrapper is released.
Fix
Bind BSeparatorView with a py::nodelete holder.
Validation
Verified that an attached separator can be destroyed with its window and finalized without an allocator abort.