Fix conversions #693

Job	Run time
linux-compat (manylinux2014-x64)	2m 31s
linux-compat (manylinux2014-x86)	3m 18s
linux-compat (fedora-34-x64)	2m 43s
linux-shared-libs	2m 33s
linux-compat (opensuse-leap)	3m 40s
linux-compiler-compat (clang-3)	4m 5s
clang-sanitizers (,thread)	3m 8s
linux-compat (rhel8-x64)	2m 46s
linux-compiler-compat (clang-6)	3m 6s
clang-sanitizers (,address,undefined)	3m 35s
linux-compat (al2-x64)	4m 3s
linux-compiler-compat (clang-8)	3m 38s
linux-compiler-compat (clang-9)	3m 23s
osx	2m 5s
windows	5m 50s
linux-compiler-compat (clang-10)	4m 25s
linux-compiler-compat (clang-11)	3m 10s
linux-compiler-compat (gcc-4.8)	2m 26s
windows-shared-libs	7m 3s
linux-compiler-compat (gcc-5)	4m 3s
windows-vc14 (x86)	1m 44s
linux-compiler-compat (gcc-6)	3m 0s
windows-vc14 (x64)	1m 50s
linux-compiler-compat (gcc-7)	3m 46s
linux-compiler-compat (gcc-8)	4m 57s
downstream	2m 40s
	1h 29m 28s

Provide feedback