Fix edge case #241

Job	Run time
clang-sanitizers (,thread)	1m 19s
linux-compiler-compat (clang-3)	1m 9s
clang-sanitizers (,address,undefined)	1m 23s
linux-shared-libs	1m 4s
linux-compat (manylinux1-x64)	41s
linux-compiler-compat (clang-6)	1m 27s
linux-compat (manylinux1-x86)	48s
linux-compiler-compat (clang-8)	1m 54s
linux-compat (manylinux2014-x64)	56s
linux-compiler-compat (clang-9)	1m 35s
macos	37s
windows	2m 50s
linux-compat (manylinux2014-x86)	55s
linux-compiler-compat (clang-10)	1m 25s
linux-compat (fedora-34-x64)	48s
linux-compiler-compat (clang-11)	1m 35s
linux-compat (opensuse-leap)	51s
linux-compiler-compat (clang-15)	1m 24s
windows-app-verifier	3m 19s
windows-shared-libs	2m 17s
linux-compat (rhel8-x64)	37s
linux-compiler-compat (clang-17)	2m 10s
linux-compat (al2-x64)	42s
windows-vc14 (x86)	1m 36s
linux-compiler-compat (gcc-4.8)	1m 5s
windows-vc14 (x64)	1m 28s
linux-compiler-compat (gcc-5)	58s
linux-compiler-compat (gcc-6)	1m 8s
downstream	27m 35s
linux-compiler-compat (gcc-7)	1m 6s
macos-x64	53s
linux-compiler-compat (gcc-8)	1m 14s
linux-compiler-compat (gcc-11)	1m 9s
linux-compiler-compat (gcc-13)	1m 39s
	1h 11m 37s

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