pr fix and test #1040

Job	Run time
clang-sanitizers (,thread)	2m 46s
linux-compat (manylinux1-x64)	1m 51s
clang-sanitizers (,address,undefined)	3m 6s
linux-shared-libs	2m 28s
linux-compat (manylinux1-x86)	1m 55s
linux-compat (manylinux2014-x64)	2m 8s
linux-compiler-compat (clang-3)	2m 15s
linux-compiler-compat (clang-6)	2m 16s
linux-compiler-compat (clang-8)	2m 13s
linux-compat (manylinux2014-x86)	2m 6s
linux-compiler-compat (clang-9)	2m 15s
linux-compat (al2-x64)	2m 10s
linux-compiler-compat (clang-10)	2m 15s
linux-compat (fedora-34-x64)	2m 10s
linux-compiler-compat (clang-11)	2m 15s
linux-compat (opensuse-leap)	2m 6s
linux-compiler-compat (gcc-4.8)	1m 59s
linux-compat (rhel8-x64)	2m 7s
linux-compiler-compat (gcc-5)	2m 9s
linux-compiler-compat (gcc-6)	2m 15s
linux-compiler-compat (gcc-7)	2m 14s
linux-compiler-compat (gcc-8)	2m 13s
windows	4m 20s
windows-shared-libs	3m 35s
windows-vc14 (x86)	2m 9s
windows-vc14 (x64)	2m 5s
osx	2m 38s
windows-app-verifier	4m 22s
downstream	2m 41s
	1h 11m 2s

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