The inline comment called every dunder entry "the Python backend's" slot, but `__debug__` is a CPython compile-time constant, not a seeded slot; align the comment with the seam declaration, which is the single home for why each entry is reserved.
The inline comment called every dunder entry "the Python backend's" slot, but `__debug__` is a CPython compile-time constant, not a seeded slot; align the comment with the seam declaration, which is the single home for why each entry is reserved.