gh-145876: Fix AttributeError masked during dict unpacking #2354

Job	Run time
x86_64-apple-darwin/clang	1h 0m 18s
aarch64-apple-darwin/clang	8m 53s
aarch64-unknown-linux-gnu/gcc	7m 15s
x86_64-unknown-linux-gnu/gcc	9m 19s
x86_64-unknown-linux-gnu/gcc-free-threading	8m 28s
x86_64-pc-windows-msvc/msvc-free-threading	5m 15s
x86_64-pc-windows-msvc/msvc	9m 47s
	1h 49m 15s

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