Fix twice applying scale to mesh issue #78

Job	Run time
build-macos (macosx-10.9-x86_64, 3.12)	13m 14s
build-win (x64, x64-windows-release, x64, 3.7)	1h 3m 31s
build-ubuntu (ubuntu-20.04, ubuntu-20.04, ubuntu:20.04, manylinux_2_31_x86_64, 3.7, false, OFF)	28m 5s
build-win (x64, x64-windows-release, x64, 3.8)	1h 3m 18s
build-ubuntu (ubuntu-20.04, ubuntu-20.04, ubuntu:20.04, manylinux_2_31_x86_64, 3.8, true, ON)	27m 59s
build-win (x64, x64-windows-release, x64, 3.9)	1h 3m 7s
build-ubuntu (ubuntu-20.04, ubuntu-20.04, ubuntu:20.04, manylinux_2_31_x86_64, 3.9, true, ON)	22m 51s
build-win (x64, x64-windows-release, x64, 3.10)	1h 3m 46s
build-win (x64, x64-windows-release, x64, 3.11.0)	1h 5m 12s
build-ubuntu (ubuntu-20.04, ubuntu-20.04, ubuntu:20.04, manylinux_2_31_x86_64, 3.10, true, ON)	29m 11s
build-win (x64, x64-windows-release, x64, 3.12.0)	1h 3m 26s
build-ubuntu (ubuntu-20.04, ubuntu-20.04, ubuntu:20.04, manylinux_2_31_x86_64, 3.11.0, true, ON)	22m 41s
build-ubuntu (ubuntu-20.04, ubuntu-20.04, ubuntu:20.04, manylinux_2_31_x86_64, 3.12.0, true, ON)	23m 29s
collect-wheels	0s
	9h 9m 50s

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